A Level Physics MCQs

ALevelPhysicsMCQsMultipleChoiceQuestionsandAnswers(Quiz&Tests

withAnswerKeys)

ByArshadIqbal

TableofContentsChapter1:AcceleratedMotionMCQsChapter2:AlternatingCurrentMCQsChapter3:ASLevelPhysicsMCQsChapter4:CapacitanceMCQsChapter5:ChargedParticlesMCQsChapter6:CircularMotioninPhysicsMCQsChapter7:CommunicationSystemsMCQsChapter8:ElectricCurrent,PotentialDifferenceandResistanceMCQsChapter9:ElectricFieldMCQsChapter10:ElectromagneticInductionMCQsChapter11:ElectromagnetismandMagneticFieldMCQsChapter12:ElectronicsMCQsChapter13:Forces,VectorsandMomentsMCQsChapter14:GravitationalFieldMCQsChapter15:IdealGasMCQsChapter16:KinematicsMotionMCQsChapter17:Kirchhoff’sLawsMCQsChapter18:MatterandMaterialsMCQsChapter19:MechanicsandPropertiesofMatterMCQsChapter20:MedicalImagingMCQsChapter21:MomentumMCQsChapter22:MotionDynamicsMCQsChapter23:NuclearPhysicsMCQsChapter24:OscillationsMCQsChapter25:PhysicsProblemsASLevelMCQsChapter26:Physics:WavesMCQsChapter27:QuantumPhysicsMCQsChapter28:RadioactivityMCQsChapter29:ResistanceandResistivityMCQsChapter30:SuperpositionofWavesMCQsChapter31:ThermalPhysicsMCQsChapter32:Work,EnergyandPowerMCQs

Chapter1

AcceleratedMotionMCQs

MCQ1:Onlyforceactingonabouncingballis

A.gravity

B.weightofball

C.friction

D.aandbboth

MCQ2:Accelerometerdetectsthe

A.smallacceleration

B.largeacceleration

C.smalldeceleration

D.largeaccelerationanddeceleration

MCQ3:Ifthegradientofagraphisnegative,thentheaccelerationis

A.positive

B.negative

C.zero

D.1

MCQ4: Ifastudentdropsastonefromacliffofheight30mand the time ittakestoreachthegroundis2.6s,thentheaccelerationduetogravityis

A.9ms-2

B.10ms-2

C.4ms-2

D.8.8ms-2

MCQ5:Gradientoflineofvelocity-timegraphistellsusthe

A.velocity

B.acceleration

C.distance

D.time

MCQ6:Astoneisthrownupwardswithinitialvelocityof20ms-1,theheightthatstonewillreachwouldbe

A.20m

B.30m

C.40m

D.50m

MCQ7:Projectilewillattainitsmaximumrange,ifitisfiredatanangleof

A.30°

B.47°

C.90°

D.45°

MCQ8:Horizontalcomponentofabouncingballis

A.affectedbygravity

B.unaffectedbygravity

C.affectedbyweight

D.affectedbycontactforce

MCQ9:Whenballhavingaprojectilemotionisrisingup,it

A.decelerates

B.accelerates

C.risesupwithconstantacceleration

D.accelerationbecomeszero

MCQ10:Equationofmotioncanbeusedfor

A.straightlinemotiononly

B.curvedmotiononly

C.motionalongthecircularpath

D.alltypesofmotion

MCQ11:Accelerationoffreefalldependsonthe

A.surface

B.weightofobject

C.distancefromcenterofEarth

D.sizeofobject

MCQ12: If initialvelocityofanobject iszero, thendistancecoveredbyit intimetandaccelerationof9.8ms-2wouldbe

A.2.9t2

B.3t2

C.4t2

D.4.9t2

MCQ13:Astheballfallstowardstheground,itsvelocity

A.increases

B.decreases

C.remainsconstant

D.becomeszero

MCQ14:Gradientofvelocity-timegraphtellsusaboutobject's

A.velocity

B.displacement

C.distance

D.acceleration

MCQ15:Anobjectwhosevelocityischangingissaidtobeinastateof

A.acceleration

B.rest

C.equilibrium

D.Brownianmotion

MCQ16:Accelerationoftrainwhenitismovingsteadilyfrom4.0ms-1to20ms-1in100sis

A.1ms-2

B.2ms-2

C.0.16ms-2

D.3ms-2

MCQ17:Ifwegetastraightlinewithpositiveslopethenitsaccelerationis

A.increasing

B.decreasing

C.zero

D.constant

MCQ18:Ifaspinsterstaringfromresthasaccelerationof5ms-2during1st2.0sofracethenhervelocityafter2sis

A.20ms-1

B.10ms-1

C.15ms-1

D.5ms-1

MCQ 19: Horizontal distance travelled by a ball if it's thrown with initialvelocityof20ms-1atanangleof30°is

A.24m

B.56m

C.35.3m

D.36.3m

MCQ20:Ifacarstartingfromrestreachesavelocityof18ms-1after6.0sthenitsaccelerationis

A.1ms-2

B.2ms-2

C.3ms-2

D.4ms-2

MCQ21:A train travelling at 20m s-1 accelerates at 0.5m s-2 for 30 s, thedistancetravelledbytrainis

A.825m

B.700m

C.650m

D.600m

MCQ22:Areaundervelocity-timegraphtellsusthe

A.time

B.acceleration

C.displacement

D.velocity

AnswersKey:

1.D2.D3.B4.D5.B6.A

7.D8.B9.A10.A11.B12.D13.A14.D15.A16.C17.D18.B19.C20.C21.A22.C

Chapter2

AlternatingCurrentMCQs

MCQ1: Ifa secondarycoilhas40 turns,and,aprimarycoilwith20 turns ischargedwith 50V of potential difference, then the potential difference in thesecondarycoilwouldbe

A.50Vinsecondarycoil

B.25Vinsecondarycoil

C.60Vinsecondarycoil

D.100Vinsecondarycoil

MCQ2:Generatorsatapowerstationproduceelectricpoweratvoltage

A.45kW

B.50kW

C.60kW

D.25kW

MCQ3:Equationwhichmeasuresalternatingvoltageis

A.Vsinω

B.sint

C.Vosinωt

D.V=IR

MCQ4:Intransformer,alternatingcurrentisinducedin

A.primarycoil

B.secondarycoil

C.ironcore

D.resistor

MCQ5:Highvoltagesleadto

A.lesspowerloss

B.morepowerloss

C.highcurrent

D.highresistance

MCQ6:Graphofalternatingcurrentisa

A.coswave

B.tanwave

C.curve

D.sinewave

MCQ7:Acomponentthatallowsonlyunidirectionalcurrenttopassthroughitis

A.resistor

B.inductor

C.transformer

D.diode

MCQ8:Averagepowerdissipatedinresistorifsinusoidalp.dofpeakvalue25Visconnectedacrossa20Ωresistoris

A.15.6W

B.15W

C.16W

D.17W

MCQ9:Amountofd.cvoltageascomparetoVois

A.50%

B.60%

C.70%

D.80%

MCQ10:Awelldesignedtransformerlosespowerunder

A.10%

B.1.20%

C.0.1%

D.20%

MCQ11:Ratioofvoltagesisequaltoratioof

A.ironsheetsincore

B.coil

C.numberofturnsincoil

D.allofabove

MCQ12:ProcessinwhichA.CisconvertedintoD.Ciscalled

A.induction

B.rectification

C.inversion

D.dispersion

MCQ13:Steadyd.cvoltageisalsoknownas

A.squarevelocity

B.rootmeansquarevelocity

C.rootvelocity

D.velocity

MCQ14:Ratioofvoltagesisinverseratioofthe

A.transformer

B.resistor

C.ironcore

D.current

MCQ15:Ifoutputvoltageisgreaterthaninputvoltage,thentransformeris

A.stepup

B.stepdown

C.faulty

D.fatal

MCQ16:HighestpointonACgraphisknownas

A.peakvalue

B.amplitude

C.frequency

D.wavefront

AnswersKey:

1.D2.D3.C4.B5.A6.D7.D8.A9.C10.C11.C12.B13.B14.D15.A16.A

Chapter3

ASLevelPhysicsMCQs

MCQ1:Therearethreeequationsofuniformlyacceleratedmotion,theoddoneoutis

A.final_velocity=initial_velocity+(acceleration×time)

B.distance_moved=(initial_velocity×time)+(0.5×acceleration×time²)

C.final_velocity²=initial_velocity²+(2×acceleration×distance_moved)

D.final_velocity=initial_velocity+(2×acceleration×distance_moved)

MCQ2:Kineticfrictionisalways

A.lesserthanstaticfriction

B.greaterthanstaticfriction

C.equaltostaticfriction

D.equaltocontactforce

MCQ3:Gravitationalpotentialisalways

A.positive

B.negative

C.zero

D.infinity

MCQ4:Inordertokeepabodymovinginacircle,thereexistsaforceonitthatisdirectedtowardthecenterofthecircle.Thisforceisknownas

A.Centrifugalforce

B.Centripetalforce

C.GravitationalForce

D.magneticforce

MCQ5:Arectangle-shapedopen-to-skytankofwaterhasalengthof2mandawidthof1m.Iftheatmosphericpressureisassumedtobe100kPaandthicknessof the tank walls is assumed to be negligible, the force exerted by theatmosphereonthesurfaceofwateris

A.20kN

B.50kN

C.100kN

D.200kN

MCQ6:Ifwehaveapositiveandanegativecharge,thenforcebetweenthemis

A.positive

B.negative

C.zero

D.infinite

MCQ7:Electricalforceexertedbytwopointchargesoneachotherisinverselyproportionalto

A.sumoftheircharges

B.productoftheircharges

C.distancebetweenthem

D.squareofdistancebetweenthem

MCQ8:Unitforpressureusedinweathermapsismillibar.1millibarisequalto

A.1000bar

B.100kPa

C.100Pa

D.1atm

MCQ9:Speedofstationarywavesis

A.1ms-1

B.2ms-1

C.3ms-1

D.zero

MCQ10:Ifchargeisplacedatinfinity,it'spotentialis

A.zero

B.infinite

C.1

D.-1

MCQ11:Mostappropriateinstrumentformeasurementofinternalandexternaldiameterofatubeis

A.verniercallipers

B.micrometerscrewgauge

C.meterrule

D.measuringtape

MCQ12:Whendistancefromcenterisdoubledthenelectricfieldstrengthwill

A.decreasebythefactoroffour

B.increasebyfactoroffour

C.willbesame

D.decreasebyfactoroftwo

MCQ13:LiquidAandliquidBexertsameamountofpressureoneachother,butthedensityofAistwicethedensityofB.TheheightofliquidBis10cm,thentheheightofliquidAwouldbe

A.5cm

B.10cm

C.20cm

D.40cm

MCQ14:Incorrectstatementforco-efficientoffrictioncouldbethat

A.ThecoefficientoffrictionisdenotedbytheGreekletterµ.

B.Thecoefficientoffrictionisdirectlyproportionaltotheforceoffriction

C.Thecoefficientoffrictionisconstantevenin theconditionsoffastslippingandhighcontactpressure

D.Thecoefficientoffrictionis inverselyproportionaltotheforcepressingthesurfacestogether

MCQ15:Ifwemoveapositivechargetoapositiveplate,thenpotentialenergyofchargeis

A.decreased

B.increased

C.remainsconstant

D.dissipated

MCQ16:An instrument commonlyused for themeasurementof atmosphericpressureisknownas

A.Manometer

B.Barometer

C.Calorimeter

D.Potentiometer

MCQ17:Phasedifferencebetweenanodeandanantinodeis

A.90°

B.45°

C.180°

D.360°

MCQ 18: Our weight, as measured by the spring weighing machine isequivalentof

A.ThetotalgravitationalforcethatEarthexertsonus

B.ThetotalcentripetalforcerequiredtokeepusmovingonEarth'saxis

C. The total gravitational force that Earth exerts on us +The total centripetalforcerequiredtokeepusmovingonEarth'saxis

D. The total gravitational force that Earth exerts on us - The total centripetalforcerequiredtokeepusmovingonEarth'saxis

MCQ19:Pointwherespringoscillateswithmaximumamplitudeiscalled

A.node

B.antinode

C.fixedend

D.movableend

MCQ20:AccordingtoNewton'slawofuniversalgravitation,anytwoparticlesoffinitemassattractoneanotherwithaforcewhichis

A.Inverselyproportionaltotheproductoftheirmassesanddirectlyproportionaltothesquareoftheirdistanceapart

B.Inverselyproportionaltotheproductoftheirmassesanddirectlyproportionaltotheirdistanceapart

C.Directlyproportionaltotheproductoftheirmassesandinverselyproportionaltotheirdistanceapart

D. Directly proportional to the product of their masses and inverselyproportionaltothesquareoftheirdistanceapart

MCQ21:Correctexampleofvectorquantitiescouldbe

A.DistanceandSpeed

B.DisplacementandVelocity

C.DistanceandDisplacement

D.SpeedandVelocity

MCQ22:Inastationarywave,nodesareat

A.fixedpoints

B.movablepoints

C.therearenonodes

D.randompoints

MCQ23:Intheformationofstationarywaves,atT⁄2thewavesare

A.outofphase

B.inphase

C.diminished

D.twicetheamplitude

MCQ24:Avectorquantityisonewhichhas

A.directionaswellasmagnitude

B.magnitudeonly

C.directiononly

D.nodirection,nomagnitude

MCQ25: Centripetal force is dependent on three factors, the odd one out ofthesefactorsis

A.Massoftherotatingobject

B.Speedoftherotatingobject

C.Volumeoftherotatingobject

D.Pathradius

MCQ26:Graphofpotentialenergyagainstdistanceis

A.curve

B.parabolic

C.hyperbolic

D.straightline

MCQ 27: On all instruments like measuring cylinder, pipette and burette,readings are always taken at the bottomof themeniscus of liquid.This is nottrueforliquidslike

A.Oil

B.Ink

C.Mercury

D.Seawater

MCQ 28: In a weather map, lines joining all those regions with sameatmosphericpressurearecalled

A.Bars

B.Millibars

C.Isobars

D.Atmosphericbars

MCQ29:Foragivensystem,theminimumfrequencyofastandingwaveisina

A.fundamentalmode

B.lowestmode

C.highestmode

D.peakmode

MCQ30:Inanelectricfield,energyperunitpositivechargeis

A.voltage

B.current

C.frequency

D.resistance

MCQ31:InKundt'sdusttube,dustaccumulatesat

A.nodes

B.antinodes

C.attheend

D.attroughsonly

MCQ32:Anodehavingtwicethefrequencyofthefundamentaliscalled

A.halfharmonic

B.harmonic

C.doubleharmonic

D.tripleharmonic

MCQ33:Iffrequencyofcertainwaveisf,thenit'svelocityis

A.v=fλ

B.v=T⁄λ

C.T2

D.1⁄T2

MCQ34:Originofgravitationalfieldis

A.charges

B.masses

C.Earth'score

D.matter

MCQ35:Atseparationbetweenanodeandantinode,wavelengthbecomes

A.λ

B.λ⁄2

C.λ⁄4

D.2λ

AnswersKey:

1.D2.A3.B4.B5.D6.B7.D8.C9.D10.A11.A12.A13.A14.C15.B16.B17.C18.D19.B20.D21.B22.A23.B24.A25.C26.D27.C

28.C29.A30.A31.A32.B33.A34.B35.C

Chapter4

CapacitanceMCQs

MCQ1:Iftheplatesofcapacitorareoppositelychargedthenthetotalchargeisequalto

A.negative

B.positive

C.zero

D.infinite

MCQ2:Areaundercurrent-timegraphrepresents

A.magnitudeofcharge

B.dielectric

C.amountofpositivecharge

D.amountofnegativecharge

MCQ3:Ifchargestoredonplatesofcapacitorislarge,thencapacitancewillbe

A.small

B.large

C.zero

D.infinite

MCQ4:insulatorwhichisplacedbetween2platesofcapacitoris

A.electric

B.dielectric

C.inductor

D.resistor

MCQ5:Combinedcapacitanceisequaltothe

A.sumofallcapacitanceofcapacitors

B.productofallthecapacitance

C.differencebetweenthecapacitors

D.averagecapacitanceofcapacitors

MCQ6:capacitanceandchargeonplatesare

A.inverselyrelated

B.directlyrelated

C.notrelatedatall

D.alwaysequal

MCQ7:Ifthecapacitorsareconnectedinparallel,thenthepotentialdifferenceacrosseachcapacitoris

A.same

B.different

C.zero

D.infinite

MCQ8:Totalcapacitanceof300mFcapacitoranda600mFinseriesis

A.300mF

B.500mF

C.200mF

D.1000mF

MCQ9:Workdoneinchargingacapacitorisgivenby

A.(1⁄2)QV

B.2QV

C.QV

D.2V

MCQ10:Deviceusedtostoreenergyinelectricalcircuitsis

A.resistor

B.inductor

C.capacitor

D.diode

MCQ 11: Energy stored in a 2000 mF capacitor charged to a potentialdifferenceof10Vis

A.0.12J

B.1.3J

C.0.10J

D.3J

MCQ12:Capacitorisfullychargedifpotentialdifferenceisequalto

A.e.m.f

B.current

C.resistance

D.power

AnswersKey:

1.C2.A3.B4.B5.A6.B7.A8.C9.A10.C11.C12.A

Chapter5

ChargedParticlesMCQs

MCQ1:Anelectronistravellingatrightanglestoauniformmagneticfieldoffluxdensity1.2mTwith a speedof8×106m s-1, the radiusof circularpathfollowedbyelectronis

A.3.8cm

B.3.7cm

C.3.6cm

D.3.5cm

MCQ2:Hallvoltageisdirectlyproportionalto

A.current

B.electricfield

C.magneticfluxdensity

D.allofabove

MCQ3:Forceduetomagneticfieldandvelocityis

A.atrightanglestoeachother

B.atacuteangleswitheachother

C.atobtuseanglewitheachother

D.antiparalleltoeachother

MCQ4:Forceonamovingchargeinauniformmagneticfielddependsupon

A.magneticfluxdensity

B.thechargeontheparticle

C.thespeedofparticle

D.allofabove

MCQ5:Electricfieldstrengthrelatedtohallvoltageisgivenby

A.VHd

B.VH⁄d

C.VHE

D.Ed

MCQ6:Hallprobeismadeupof

A.metals

B.nonmetals

C.semiconductor

D.radioactivematerial

MCQ7:Foranelectron,magnitudeofforceonitis

A.BeV

B.eV

C.Be

D.BV

MCQ8:Whencurrentisparalleltomagneticfields,forceonconductoris

A.zero

B.infinite

C.2times

D.same

MCQ9:Directionofconventionalcurrentis

A.directionofneutronflow

B.directionofelectronflow

C.directionofflowofpositivecharge

D.sameasthatofelectriccurrent

MCQ10:Accordingtotheequation‘r=(mv)⁄(Be)’,thefastermovingparticles

A.moveinsmallercircle

B.movestraight

C.moveinbiggercircle

D.moverandomly

MCQ11:InHalleffect,voltageacrossprobeisknownas

A.hallvoltage

B.e.m.f

C.potentialdifference

D.hallpotential

AnswersKey:

1.A2.C3.A

4.D5.B6.C7.A8.A9.C10.C11.A

Chapter6

CircularMotioninPhysicsMCQs

MCQ1:Anglethroughwhichanobjecthasmovediscalledit's

A.lineardisplacement

B.lineardistance

C.angulardisplacement

D.angulardistance

MCQ2:Angularvelocityofsecondhandofclockis0.105rads-1andlengthofhandis1.8cm,thenspeedoftipofhandis

A.0.189cms-1

B.1cms-1

C.0.189ms-1

D.2ms-1

MCQ3:Objectmovingalongacircularpathis

A.inequilibrium

B.notinequilibrium

C.notmovingwithconstantspeed

D.inrandommotion

MCQ4:Atthefairground,theforcethatbalancesoutourweightis

A.centripetalforce

B.centrifugalforce

C.friction

D.gravitationalforce

MCQ5:Ifanobjectmovesacirculardistance‘s’ofradius‘r’,thenit'sangulardisplacementis

A.s⁄r

B.r⁄s

C.rs

D.r2s

MCQ6:Speedofanobjecttravellingaroundacircledependsupon

A.angularvelocity

B.radius

C.circumference

D.bothAandB

MCQ7:Numberofdegreeacompletecirclerepresentsis

A.90°

B.180°

C.270°

D.360°

MCQ8:Whenabodyismovingalongacircularpath, it'svelocityisdirected

towards

A.center

B.normal

C.tangent

D.paralleltocircle

MCQ9:Speedisunchangedbecauseworkdoneonanobjectis

A.zero

B.positive

C.negative

D.infinite

MCQ10:180°isequalto

A.2πrad

B.πrad

C.π⁄2rad

D.π⁄4rad

MCQ11:Fortheminutehandoftheclock,theangularvelocityisequalto

A.2rads-1

B.3rads-1

C.1rads-1

D.0.00175rads-1

MCQ12:105°inradiansisequalto

A.2rad

B.3rad

C.1.83rad

D.4.5rad

MCQ13:1radisequalto

A.57.3°

B.54°

C.45°

D.90°

MCQ 14: According to Newton's 2nd law the object's acceleration andcentripetalforceare

A.atrightanglestoeachother

B.antiparalleltoeachother

C.makeacuteanglewitheachother

D.insamedirection

MCQ15:Astonewhirlinginahorizontalcircleontheendofstringdepicts

A.conicalpendulum

B.cone

C.pendulum

D.eclipse

MCQ16:Centripetalforceisdirectedtowardsthe

A.tangenttocircle

B.center

C.normaltocircle

D.paralleltocircle

MCQ17:VelocityrequiredbyanobjecttoorbitaroundEarthis

A.9kms-1

B.7kms-1

C.8kms-1

D.10kms-1

AnswersKey:

1.C2.A3.B4.C5.A6.D7.D8.C9.A10.B11.D12.C13.A14.D15.A16.B17.C

Chapter7

CommunicationSystemsMCQs

MCQ1:Ascomparedtosoundwavesthefrequencyofradiowavesis

A.lower

B.higher

C.equal

D.maybehigherorlower

MCQ2:Decreaseinstrengthofsignalisknownas

A.tuning

B.modulation

C.attenuation

D.amplification

MCQ3:Iffrequencyofmodulatedwaveislessthanfrequencyofcarrierwave,theninputsignalis

A.negative

B.positive

C.zero

D.infinite

MCQ4:Attheendofcommunicationsystem,thesignalisconvertedfromradioto

A.sound

B.mechanicalenergy

C.kineticenergy

D.potentialenergy

MCQ5:Energyislostinwiresdueto

A.heating

B.resistance

C.conduction

D.bothAandB

MCQ6:Voltagesignalgeneratedbyamicrophoneis

A.digitalinnature

B.analogueinnature

C.consistsofbitsandbytes

D.hybridinnature

MCQ7:Phenomenainwhichsignaltransmittedinonecircuitcreatesundesiredeffectinothercircuitisknownas

A.crosstalk

B.signalattenuation

C.sampling

D.crosslinking

MCQ8:Digitalnumber9canberepresentedinbinarynumberas

A.110

B.1001

C.1010

D.1011

MCQ9:Geostationarysatellitehasperiod

A.twiceofEarth

B.sameasEarth

C.halfofEarth

D.quarterofEarth

MCQ10:Bitonlefthandsidehas

A.lowestvalue

B.zerovalue

C.highestvalue

D.infinitevalue

MCQ11:Adigitalquantityhas

A.only2values

B.morethan2values

C.novalues

D.lessthan2values

MCQ12:Frequencyofskywavesis

A.lessthen3MHz

B.morethan3MHz

C.lessthan2MHz

D.exactly2MHz

MCQ13:Eachdigitinabinarynumberisknownasa

A.bit

B.byte

C.number

D.digit

MCQ14:Valueofsampledsignalisusedtoproducea

A.binarynumber

B.decimalnumber

C.octalnumber

D.allofabove

MCQ15:Dataincompactdiscisstoredinformof

A.analoguesignal

B.digitalsignal

C.noise

D.colors

MCQ16:Witha30mlongcoaxialcable,thebandwidthcanexceed

A.100MHz

B.1000MHz

C.50MHz

D.300MHz

MCQ17:Amplitudeofmodulatedwaveisinphasewith

A.output

B.system

C.frequency

D.signal

MCQ18:Variationinamplitudeorfrequencyofcarrierwaveiscalled

A.amplitudemodulation

B.frequencymodulation

C.modulation

D.bandwidth

MCQ19:Infrequencymodulation,amplitudeofmodulatedwaveis

A.positive

B.negative

C.constant

D.zero

MCQ20:Highqualitymusiconlyneedsfrequenciesupto

A.10Hz

B.15Hz

C.20kHz

D.15kHz

MCQ21:Binarysystemhasbase

A.10

B.11

C.1

D.2

MCQ22:InFM,frequencyofmodulatedwavevarieswith

A.amplitude

B.time

C.wavelength

D.energy

MCQ23:Unwantedsignalthatdistortsatransmittedsignaliscalled

A.analogue

B.noise

C.digital

D.tuning

MCQ24:Firstcommunicationsatellitesusedfrequenciesof

A.6GHzforuplink

B.3GHzforuplink

C.6GHzfordownlink

D.5GHzfordownlink

MCQ25:Awaveoffrequency1GHzhaswavelengthof

A.0.4m

B.0.5m

C.0.2m

D.0.3m

AnswersKey:

1.B2.C3.A4.A5.D6.B7.D8.B9.B10.C11.A12.B13.A14.A15.B16.A17.D18.C19.C20.D21.D22.B23.B24.A25.D

Chapter8

ElectricCurrent,PotentialDifferenceandResistanceMCQs

MCQ1:Semiconductorshaveelectronnumberdensityoforder

A.1024m-3

B.1020m-3

C.1012m-3

D.1023m-3

MCQ2:Astraightlinesymbolshowsthe

A.fuse

B.diode

C.connectinglead

D.switch

MCQ3:Rateofflowofelectricchargeis

A.electriccurrent

B.conventionalcurrentonly

C.electroniccurrentonly

D.potentialdifference

MCQ4:instrumentwhichtransfersenergytoelectricchargesinacircuitis

A.battery

B.voltmeter

C.ammeter

D.galvanometer

MCQ5:Electricpowerisrelatedto

A.currentincomponent

B.potentialdifference

C.electricalresistance

D.bothAandB

MCQ6:Ifacurrentof1Apassesthroughapointin1sthenchargepassesthatpointis

A.2C

B.3C

C.1C

D.6C

MCQ7:Energytransferredperunitchargeis

A.e.m.f

B.current

C.potentialdifference

D.conventionalcurrent

MCQ8:Currentinacircuitwhenachargeof180Cpassesapointinacircuitin2minutesis

A.1:00AM

B.2:00AM

C.3:00AM

D.1.5A

MCQ9:Electronswhicharefreetomovearoundarealsocalled

A.conductionelectrons

B.valenceshellelectrons

C.innerelectrons

D.electronsea

MCQ10:Numberofconductionelectronsperunitvolumeis

A.electronnumber

B.numberdensity

C.protonnumber

D.neutronnumber

MCQ11:Current inacircuit if resistanceof15Ωandpotentialdifferenceof3.0Visappliedacrossit'sendsis

A.1A

B.2A

C.0.5A

D.0.20A

MCQ12:Numberdensityforcopperis

A.10-29m-3

B.1030m-3

C.1029m-3

D.1020m-3

MCQ13:Meandriftvelocityofelectroninacopperwirehavingcross-sectionalarea5.0×10-6m2carryingcurrentof1Aandhavingnumberdensity8.5×1028

m3is

A.0.015mms-1

B.0.1mms-1

C.0.5mms-1

D.0.25mms-1

MCQ14:Magnitudeofchargeisknownas

A.chargecount

B.elementarycharge

C.elementarycount

D.chargenumber

MCQ15:1Ωisequalto

A.1VA-2

B.1VA-1

C.1V-1A

D.2VA-1

MCQ16:Toprotectwiringfromexcessivepassingofcurrentis

A.voltmeter

B.fuse

C.galvanometer

D.resistance

MCQ17:Currentina60Wlightbulbwhenitisconnectedtoa230Vpowersupplyis

A.0.26A

B.1.5A

C.2.6A

D.3.9A

MCQ18:Gridcablesare15kmlongwitharesistanceof0.20Ωkm-1,powerswastedasheatinthesecablesare

A.50kW

B.60kW

C.20kW

D.30kW

MCQ19:Actualvelocityofelectronsbetweencollisionsis

A.1030ms-1

B.1020ms-1

C.102ms-1

D.105ms-1

MCQ20:Byincreasingthecurrent,thedriftvelocity

A.decreases

B.increases

C.remainsconstant

D.becomeszero

MCQ21:Currentinacircuitdependson

A.resistance

B.potentialdifference

C.bothAandB

D.e.m.f

MCQ22:Ifdirectionofcurrentisfrompositivetonegative,thenitiscalled

A.electroniccurrent

B.conventionalcurrentonly

C.positroniccurrent

D.protoniccurrent

MCQ23:Avoltmeterarrangedacrossthepowersupplymeasures

A.potentialdifference

B.e.m.f

C.current

D.resistance

AnswersKey:

1.D2.C3.A4.A5.D6.C7.C8.D9.A10.B11.D12.C13.A14.B15.B16.B17.A18.D19.D20.B21.C22.B23.B

Chapter9

ElectricFieldMCQs

MCQ1:Particlesinvolvedinthemovementwithinmaterialare

A.protons

B.electrons

C.neutrons

D.positrons

MCQ2:Phenomenainwhichachargedbodyattractunchargedbodyiscalled

A.electrostaticinduction

B.electriccurrent

C.chargemovement

D.magneticinduction

MCQ3:Anunchargedobjecthas

A.moreprotons

B.moreelectrons

C.equalelectronsandprotons

D.noprotonsandelectrons

MCQ4:Fieldsthatactonobjectswithmassesare

A.electricfields

B.magneticfields

C.forcefields

D.gravitationalfields

MCQ5:Whereanelectricchargeexperiencesaforce,thereisan

A.electricfield

B.magneticfield

C.electriccurrent

D.conventionalcurrent

MCQ6:Afieldthatspreadsoutwardsinalldirectionsis

A.radial

B.nonradial

C.strong

D.weak

MCQ7:Atallthepointstheuniformfieldshave

A.differentstrength

B.samestrength

C.zerostrength

D.infinitestrength

MCQ8:Electricfieldstrengthonadustparticlehavingchargeequalto8×10-19whenplatesareseparatedbydistanceof2cmandhaveapotentialdifferenceof5kVis

A.2.0×10-13N

B.3N

C.5N

D.20N

MCQ9:Electricfieldstrengthcanbedefinedas

A.E=Q⁄F

B.E=W⁄F

C.E=F⁄Q

D.E=P⁄Q

MCQ 10: When one material is rubbed against the other, then it becomeselectrically

A.neutral

B.charged

C.positivelycharged

D.negativelycharged

MCQ11:Whenanelectronismovinghorizontallybetweenoppositelychargedplates,itwillmoveinthe

A.straightline

B.falldirectlydownwards

C.movetowardspositiveplates

D.curvedpath

AnswersKey:

1.B2.A3.C4.D5.A6.A7.B8.A9.C10.B11.D

Chapter10

ElectromagneticInductionMCQs

MCQ1:E.M.Fcanbeinducedinacircuitby

A.changingmagneticfluxdensity

B.changingareaofcircuit

C.changingtheangle

D.allofabove

MCQ2:Astraightwireoflength0.20mmovesatasteadyspeedof3.0ms-1atright angles to the magnetic field of flux density 0.10 T. The e.m.f inducedacrossendsofwireis

A.0.5V

B.0.06V

C.0.05V

D.0.04V

MCQ3:Byacceleratingthemagnetinsidethecoil,thecurrentinit

A.increases

B.decreases

C.remainsconstant

D.reverses

MCQ4:Consequenceofmotoreffectis

A.electromagneticinduction

B.current

C.voltage

D.e.m.f

MCQ5:Totalnumberofmagneticfieldlinespassingthroughanareaiscalled

A.magneticfluxdensity

B.magneticflux

C.e.m.f

D.voltage

MCQ6:Magnitudeofinducede.m.fisproportionalto

A.rateofchangeofcurrent

B.rateofchangeofvoltage

C.rateofchangeofmagneticfluxlinkage

D.rateofchangeofresistance

MCQ7: In transformer, the core ismade up of soft iron in order to pass themaximum

A.flux

B.current

C.magneticflux

D.voltage

MCQ8:Forastraightwire,inducedcurrentdependsupon

A.thespeedofmovementofwire

B.thelengthofwire

C.themagnitudeofmagneticfluxdensity

D.allofabove

MCQ9:Ingenerators,therateofchangeoffluxlinkageismaximumwhenthecoilismovingthroughthe

A.verticalposition

B.horizontalposition

C.diagonalposition

D.atanangleof45°

MCQ10:E.M.Fforacoildependsupon

A.thecrosssectionalarea

B.no.ofturnsofwire

C.themagnitudeofmagneticfluxdensity

D.allofabove

MCQ11:Currentsthatflowincirclesinsideadiscareknownas

A.eddycurrents

B.circularcurrents

C.aircurrents

D.alternatingcurents

MCQ12:Whenfieldisparalleltoplaneofarea,magneticfluxthroughcoilis

A.zero

B.infinite

C.2

D.5

MCQ13:Movingacoilinandoutofmagneticfieldinduces

A.force

B.potentialdifference

C.e.m.f

D.voltage

MCQ14:Inducedcurrentincoilbyamagnetturnsitintoan

A.straightwire

B.magnet

C.ammeter

D.electromagnet

AnswersKey:

1.D2.B3.A4.A5.B6.C7.C8.D9.B10.D11.A

12.A13.C14.D

Chapter11

ElectromagnetismandMagneticFieldMCQs

MCQ1:Strengthofmagneticfieldisknownas

A.flux

B.density

C.magneticstrength

D.magneticfluxdensity

MCQ2:Unitofluminousintensityis

A.m

B.kg

C.cd

D.mol

MCQ3:Forahydrogenatomtheelectricalforceascomparedtogravitationalforceis

A.1039times

B.1040times

C.1041times

D.1042times

MCQ4:Weakestforceinnatureis

A.electricforce

B.gravitationalforce

C.weakforce

D.magneticforce

MCQ5:Magneticfieldcanbeproducedbyusing

A.permanentmagnet

B.electriccurrent

C.temporarymagnet

D.bothAandB

MCQ6:Wheneverthereisforceonmagneticpole,thereexists

A.magneticfield

B.electricfield

C.current

D.voltage

MCQ 7: If the magnetic flux density and current are at right angles, thencomponentofforceactingontheconductoris

A.BILcosθ

B.BILsinθ

C.BILtanθ

D.BLsinθ

MCQ8:Unravelinganelectromagneticgives

A.strongerfield

B.weakerfield

C.moderatefield

D.widerfield

MCQ9: Force permeter on twowires carrying a current of 1A placed 1mapartisequalto

A.6.7×10-11N

B.9.0×109N

C.2.0×10-7N

D.3.0×10-4N

MCQ10:F=BILcanonlybeusedifthemagneticfieldandelectriccurrentare

A.atrightanglestoeachother

B.insamedirection

C.anti-paralleltoeachother

D.anti-perpendiculartoeachother

MCQ11:DerivedunitTeslaisrelatedto

A.A

B.kg

C.s

D.allofabove

MCQ12: Ifwe reverse the direction of electric current, then the direction ofmagneticfieldwillbe

A.reversed

B.remainssame

C.becomestangent

D.becomesnormal

MCQ13:1Teslaisequalto

A.50NA-1m-1

B.100NA-1m-1

C.1NA-1m-1

D.1000NA-1m-1

MCQ14:Fieldwhichdoesnothavemagneticpolesis

A.straightlined

B.normaltothewire

C.tangenttothewire

D.circular

MCQ15:Aflatcoilandsolenoidhas

A.differentfields

B.samephysicalproperties

C.samefields

D.samechemicalproperties

MCQ16:Fluxdensityisdefinedby

A.FIL

B.F⁄(IL)

C.IL

D.I⁄(FL)

MCQ 17: Strength ofmagnetic field of solenoid can be increased by addingcoremadeof

A.copper

B.ferrous

C.silver

D.aluminum

MCQ18:InFleming'slefthandrule,thumbshowsdirectionof

A.current

B.field

C.motion

D.charge

MCQ 19: If the Earth's magnetic field lines pass through the Hall probe inoppositedirection,thenthechangeinreadingofvoltmeteris

A.thricetheEarth'smagneticfluxdensity

B.fourtimestheEarth'smagneticfluxdensity

C.fivetimestheEarth'smagneticfluxdensity

D.twicetheEarth'smagneticfluxdensity

AnswersKey:

1.D

2.C3.A4.B5.D6.A7.B8.B9.C10.A11.D12.A13.C14.D15.C16.B17.B18.C19.D

Chapter12

ElectronicsMCQs

MCQ1:LEDstartstoconductwhenvoltageisabout

A.1V

B.4V

C.3V

D.2V

MCQ2:Fornon-invertingamplifiertheinputandoutputis

A.outofphase

B.inphase

C.havephasedifferenceof180°

D.havephasedifferenceof90°

MCQ3:Asensingdeviceisalsocalled

A.transistor

B.thermistor

C.sensor

D.transducer

MCQ4:Op-ampcanprovidemaximumoutputcurrentof

A.25mA

B.30mA

C.35mA

D.40mA

MCQ5:Outputresistanceofanactualop-ampis

A.45Ω

B.46Ω

C.70Ω

D.75Ω

MCQ6:Impedanceofidealop-ampis

A.zero

B.1

C.infinite

D.2

MCQ7:Changeinlengthandcross-sectionalareaofmetalwirechanges

A.current

B.voltage

C.resistance

D.magneticeffect

MCQ8:Amplifierproducesoutputwithmore

A.poweronly

B.voltageonly

C.currentonly

D.powerandvoltage

MCQ9:Numberofpowersuppliesrequiredtogetoutputofop-ampis

A.two

B.four

C.six

D.three

MCQ10:Adeviceusedtoavoidtherelaydestroyingtheop-ampis

A.diode

B.LED

C.reversebiasdiode

D.forwardbiaseddiode

MCQ11:Aslongasop-ampisnotsaturated, thepotentialdifferencebetweeninvertingandnon-invertinginputsis

A.zero

B.infinite

C.1

D.2

MCQ12:Alightdependentresistorismadeupof

A.lowresistancesemiconductor

B.lowresistancemetal

C.highresistancesemiconductor

D.highresistancemetal

MCQ13:Ininvertingamplifier,thephasedifferencebetweeninputandoutputvoltagesmustbe

A.30°

B.45°

C.90°

D.180°

MCQ14:Aninfiniteslewraterefersto

A.notimedelay

B.smalltimedelay

C.largetimedelay

D.variabletimedelay

MCQ15:TolimitcurrentinLED,resistorshouldbeconnectedin

A.parallel

B.series

C.evacuatedflask

D.ionizedtube

MCQ16:Acomponentwhosepropertychangeswhenthereisachangeinanyphysicalquantityofadeviceis

A.processor

B.sensor

C.outputdevice

D.portabledevice

MCQ17:Benefitsofnegativefeedbackinclude

A.lessdistortion

B.increasedbandwidth

C.lowoutputresistance

D.allofabove

MCQ18:Whentemperaturerises,resistanceofnegativetemperaturecoefficientthermistor

A.increases

B.decreases

C.zero

D.infinity

MCQ 19: If current of 20 mA is passing through op-amp and voltage dropacrossseriesresistoris10Vthenvalueofresistanceis

A.500Ω

B.400Ω

C.300Ω

D.200Ω

MCQ20:Graphofresistanceofthermistortotemperatureis

A.exponentialdecrease

B.lineardecrease

C.exponentialincrease

D.linearincrease

MCQ21:OutputcurrentfromanLEDis

A.20mA

B.30mA

C.40mA

D.50mA

MCQ22:Inaninvertingamplifierthenon-invertinginput(+)isconnectedto

A.1Vline

B.0Vline

C.2Vline

D.3Vline

MCQ23:Actualop-ampmayhaveanopenloopgainof

A.102

B.105

C.103

D.104

MCQ24:Coilofrelayisconnectedtothe

A.inputofop-amp

B.outputofop-amp

C.midpointofop-amp

D.anywhereinbetweeninputandouputofop-amp

AnswersKey:

1.D2.B3.D4.A5.D6.C7.C8.D9.A10.C11.A12.C13.D14.A15.B16.B17.D18.B19.A20.A21.A22.B23.B24.B

Chapter13

Forces,VectorsandMomentsMCQs

MCQ1:Pairofforcesthatcausesteeringwheelofacartorotateiscalled

A.couple

B.friction

C.normalforce

D.weight

MCQ2:Iftheprincipleofmomentsforanyobjectholds,thenobjectisinstateof

A.inertia

B.equilibrium

C.suspension

D.motion

MCQ3:Combinedeffectofseveralforcesisknownas

A.netforce

B.resultantforce

C.normalforce

D.weight

MCQ4:Toformacouple,theforceshouldbe

A.equalinmagnitude

B.parallelandopposite

C.separatedbydistance

D.allofabove

MCQ5:Momentofforcedependsupon

A.magnitudeofforce

B.perpendiculardistanceofforcefrompivot

C.bothAandB

D.axisofrotation

MCQ6:Twoperpendicularcomponentsare

A.independentofeachother

B.dependentoneachother

C.antiparalleltoeachother

D.paralleltoeachother

MCQ7:Objectisinequilibriumifresultantforceactingonitis

A.increasing

B.decreasing

C.zero

D.becomesconstant

MCQ8:Centerofgravityofanirregularbodyliesonthe

A.edge

B.centerofbody

C.pointofintersectionoflines

D.alongtheaxisofrotation

MCQ9:Numberofforcesafallingtennisballexperiencesis

A.1

B.3

C.2

D.4

MCQ10:Pointwhereallweightofobjectactsiscalled

A.centralpoint

B.centerofgravity

C.edge

D.centerofmass

MCQ11:Ifweightofafallingtennisballis1.0Nanddragforceactingonitis0.2Nthenresultantforceis

A.0.8N

B.0.5N

C.1N

D.2N

MCQ12:Iftheresultantvectorformsanangleof45°,thenthetwocomponentsare

A.paralleltoeachother

B.perpendiculartoeachother

C.antiparalleltoeachother

D.antiperpendiculartoeachother

AnswersKey:

1.A2.B3.B4.D5.C6.A7.C8.C9.C10.B11.A12.B

Chapter14

GravitationalFieldMCQs

MCQ1:Forceactingontwopointmassesisdirectlyproportionalto

A.sumofmasses

B.differenceofmasses

C.distancebetweenmasses

D.productofmasses

MCQ 2: Mass of Earth when it's radius is 6400 km and gravitational fieldstrengthis9.81Nkg-1is

A.6.0×1024kg

B.5×1023kg

C.40×109kg

D.9×1024kg

MCQ3:Onscaleofbuilding,gravitationalfieldis

A.increasing

B.decreasing

C.uniform

D.varying

MCQ4:DecreaseinfieldstrengthontopofMountEverestis

A.10%

B.5%

C.1%

D.0.3%

MCQ5:Workdoneonanobjecttobringittocertainpointinspaceiscalled

A.gravitationalpotentialenergy

B.potentialenergy

C.kineticenergy

D.mechanicalenergy

MCQ6:Nkg-1isequivalentto

A.ms-2

B.ms-1

C.ms

D.ms-3

MCQ7:MassofsatelliteorbitingEarthis

A.considered

B.irrelevant

C.shouldbeinfinite

D.shouldbezero

MCQ8:Spacingbetweenfieldlinesindicates

A.directionoffieldlines

B.strengthoffieldlines

C.magnitudeoffieldlines

D.workdonebyfieldlines

MCQ9:Squareoforbitalperiodisproportionalto

A.radius

B.squareofradius

C.cubeofradius

D.squareofdiameter

MCQ10:Numberofsatellitesingeostationaryorbitsare

A.100

B.200

C.300

D.400

MCQ11:Geostationarysatelliteshavelifetimeofnearly

A.20years

B.10years

C.50years

D.60years

MCQ12:Timetakentocompletearevolutionaroundaplanetiscalled

A.orbitalperiod

B.timeperiod

C.frequency

D.wavelength

MCQ13:Asdistanceincreases,valueofgravitationalfieldstrength

A.alsoincreases

B.decreases

C.remainsconstant

D.mayincreaseordecrease

MCQ14:Allobjectsareattractedtowards

A.centerofEarth

B.sun

C.mars

D.moon

MCQ15:SatellitearoundEarthfollowsacircularpathbecause

A.gravitationalforceisparalleltovelocity

B.gravitationalforceisantiparalleltovelocity

C.gravitationalforceisperpendiculartovelocity

D.gravitationalforceisantiperpendicularto

MCQ16:Each1kgmassexperiencesforceof

A.7N

B.9.81N

C.20N

D.100N

MCQ17:Gravitationalpotentialisalways

A.infinite

B.zero

C.positive

D.negative

MCQ18:TheclosersatelliteistoEarth,itsspeedshouldbe

A.morefast

B.moreslow

C.zero

D.anyconstantvalue

AnswersKey:

1.D2.A3.C4.D5.A6.A7.B8.B9.C10.C11.B12.A13.B14.A15.C16.B

17.D18.A

Chapter15

IdealGasMCQs

MCQ1:Normalforceexertedperunitareabygasonwallsofcontaineris

A.temperature

B.energy

C.pressure

D.friction

MCQ2:Surfaceareaofatypicalpersonisabout

A.1m2

B.2m2

C.3m2

D.4m2

MCQ3:Ifwedoublethetemperatureofanidealgas, thenit'saveragekineticenergywillbe

A.halved

B.tripletheoriginal

C.fourthtimesoforiginal

D.doubled

MCQ4:Escapevelocityforaparticleisabout

A.5kms-1

B.8kms-1

C.11kms-1

D.14kms-1

MCQ5:Forceexertedonapersonbyatmosphereis

A.200000N

B.300000N

C.400000N

D.500000N

MCQ6:10moleofcarboncontains

A.6.02×1024atoms

B.6.03×1023atoms

C.6.02×1023atoms

D.6.04×1024atoms

MCQ7:Spaceoccupiedbygasis

A.area

B.volume

C.space

D.mass

MCQ8:Atabsolutezero,volumeofgasisequalto

A.0m3

B.1m3

C.2m3

D.3m3

MCQ9:Numberofmolesin1.6kgofoxygenis

A.30mol

B.50mol

C.40mol

D.60mol

MCQ10:QuantityR/NAdefines

A.Plank'sconstant

B.Boltzmannconstant

C.gravitationalconstant

D.Avagadro'sconstant

MCQ11:Molargasconstanthasvalue

A.7Jmol-1K-1

B.8Jmol-1K-1

C.8.31Jmol-1K-1

D.5Jmol-1K-1

MCQ12:Ifaveragekineticenergyofmoleculesishigher,thentemperatureofgasis

A.high

B.low

C.zero

D.infinite

MCQ13:Theidealgasequationis

A.PV=constant

B.PT=constant

C.V⁄T

D.PV=nRT

MCQ14:Graphofpagainst1⁄Vis

A.curve

B.straightline

C.parabola

D.hyperbola

MCQ15:Gasesdeviatefromgaslawsat

A.hightemperatureonly

B.lowpressureonly

C.highpressureandlowtemperature

D.lowtemperatureonly

MCQ16:Lawwhichrelatespressureandvolumeofgasis

A.Charles'slaw

B.Avogadro'slaw

C.Boyle'slaw

D.idealgaslaw

MCQ17:Ascomparedtothevolumeoccupiedbygas,thevolumeofparticlesis

A.more

B.infinite

C.negligible

D.lessthanthevolumeofgas

MCQ18:Pressureofgasdependsonthe

A.densityofgas

B.meansquarespeedofgasmolecules

C.bothAandB

D.temperature

MCQ19:Atstandardpressureandtemperaturetheaveragespeedofmoleculesis

A.400ms-1

B.500ms-1

C.600ms-1

D.700ms-1

AnswersKey:

1.C

2.B3.D4.C5.A6.A7.B8.A9.B10.B11.C12.A13.D14.B15.C16.C17.C18.C19.A

Chapter16

KinematicsMotionMCQs

MCQ1:Speedofsoundinwateris1500ms-1,depthofwaterwhenreflectedsoundwavesaredetectedafter0.40sis

A.700m

B.600km

C.600m

D.750km

MCQ2:Ifasnailcrawls12cmin60sthenit'saveragespeedinmms-1is

A.2mms-1

B.5mms-1

C.10mms-1

D.20mms-1

MCQ3:Speedofabodyinparticulardirectioncanbecalled

A.acceleration

B.displacement

C.velocity

D.distance

MCQ4:Ifdistanceisincreasinguniformlywithtime,thenvelocityis

A.increasing

B.decreasing

C.constant

D.zero

MCQ5:Iftheslopeofagraphiszeroandsothedisplacement,thenvelocityis

A.increasing

B.decreasing

C.constant

D.zero

MCQ6:Speedofsnailascomparedtospeedofacarwillbeinunits

A.cms-1

B.ms-1

C.kms-1

D.kmh-1

MCQ7:Ifariverflowsfromwesttoeastwithconstantvelocityof1.0ms-1andaboatleavessouthbankheadingtowardsnorthwithvelocityof2.40ms-1,thenresultantvelocityofboatis

A.2.6ms-1

B.2.7ms-1

C.2.8ms-1

D.2.9ms-1

MCQ8:Twosidesofarectangulartableare0.8mand1.2m,thedisplacementofspiderwhenitrunsadistanceof2.0mis

A.1.5m

B.1.4m

C.1.6m

D.1.7m

MCQ9:Distancetravelledbyabodyintime‘t’is

A.instantaneousspeed

B.averagevelocity

C.averageacceleration

D.instantaneousacceleration

MCQ10:Displacementisa

A.scalarquantity

B.vectorquantity

C.basequantity

D.derivedquantity

MCQ11:Acaristravellingat15ms-1,thedistanceitwilltravelin1houris

A.54km

B.55km

C.56km

D.57km

MCQ12:Acartravelledsouth-westfor200milesdepicts

A.distance

B.speed

C.velocity

D.displacement

AnswersKey:

1.C2.A3.C4.C5.D6.A7.A8.B9.B10.B11.A12.D

Chapter17

Kirchhoff’sLawsMCQs

MCQ1:Sumofe.m.faroundanyloopequals

A.sumofcurrent

B.sumofpotentialdifference

C.sumofresistances

D.sumofchargespassingthroughitpersecond

MCQ2:Currententeringandleavingapointinacircuitshouldbe

A.equal

B.decreasing

C.increasing

D.variable

MCQ3:Currentthrougheachresistorwhentheyareconnectedinseriesis

A.different

B.same

C.canbebothAandB

D.decreasing

MCQ 4: If a billion electrons enter a point in 1 s, then number of electronsleavingthatpointin1sare

A.2billion

B.3billion

C.1billion

D.10billion

MCQ5:Threeresistances20Ω,30Ωand60Ωareconnectedinparallel,theircombinedresistanceisgivenby

A.110Ω

B.50Ω

C.20Ω

D.10Ω

MCQ6:Kirchhoff's2ndlawdealswith

A.currentincircuit

B.voltageincircuit

C.e.m.fincircuit

D.bothBandC

MCQ7:Combinedresistanceof5Ωand10Ωisequalto

A.10Ω

B.16Ω

C.15Ω

D.20Ω

MCQ8:Two10Ωresistorsareconnectedinparallel,theirequivalentresistanceis

A.5Ω

B.0.2Ω

C.15Ω

D.20Ω

MCQ9:Kirchhoff's2ndlawisconsequenceoflawofconservationof

A.energy

B.charge

C.momentum

D.power

MCQ10:Ammetershouldalwayshavea

A.highresistance

B.lowresistance

C.lowvoltage

D.highvoltage

MCQ11:1Visequalto

A.1JC-1

B.2JC-1

C.1J-1C

D.2J-1C

MCQ12:Idealresistanceofammeteris

A.1Ω

B.2Ω

C.0Ω

D.infinite

AnswersKey:

1.B2.A3.B4.C5.D6.D7.C8.A9.A10.B11.A12.C

Chapter18

MatterandMaterialsMCQs

MCQ1:Densityofwaterinkgm-3is

A.1000

B.100

C.10000

D.4000

MCQ2:Normalforceactingperunitcrosssectionalareaiscalled

A.weight

B.pressure

C.volume

D.friction

MCQ3:Ratiooftensiletostrainis

A.Young'smodulus

B.stress

C.stiffness

D.tensileforce

MCQ4:Gradientofforce-extensiongraphis

A.variable

B.increasing

C.decreasing

D.forceconstant

MCQ5:Energyindeformedsolidiscalled

A.stressenergy

B.potentialenergy

C.kineticenergy

D.strainenergy

MCQ6:Unitsofstressare

A.Newton

B.Joules

C.Pascal

D.Watt

MCQ7:Concentrationofmatterinamaterialis

A.volume

B.mass

C.density

D.weight

MCQ8:Unitsofstrainare

A.Newton

B.Joules

C.Watt

D.nounits

MCQ9:Stressisforceappliedon

A.volume

B.crosssectionalarea

C.unitlength

D.acrossdiagonal

MCQ10:Thelargerthespringconstant,thespringwouldbemore

A.extensible

B.stiffer

C.compressive

D.brittle

MCQ 11: Height of atmosphere, if atmospheric density is 1.29 kg m-3 andatmosphericpressureis101kPa,is

A.7839.4m

B.7829.4m

C.7849.4m

D.7859.4m

MCQ12:Pressureinfluiddependsupon

A.depthbelowthesurface

B.densityoffluid

C.thevalueofg

D.allofabove

MCQ13:Asdepthincreases,pressureinafluid

A.increases

B.decreases

C.remainsconstant

D.varies

MCQ14: If extension in spring is proportional to load applied, thenmaterialobeys

A.Newton'slaw

B.gravitationallaw

C.Charles'slaw

D.Hooke'slaw

MCQ15:Ifaspringissquashed,thenforcesare

A.extensible

B.compressive

C.normal

D.abnormal

MCQ16:Fractionalincreaseinoriginallengthiscalled

A.stress

B.strain

C.tensileforce

D.compression

MCQ17:Ifaforceof50Nisappliedacrossthecross-sectionalareaof5×10-7m2thenstressappliedonitis

A.1×108Pa

B.20Pa

C.50Pa

D.100Pa

MCQ18:Massofsteelspherehavingdensity7850kgm-3andradius0.15mis

A.112kg

B.290kg

C.110.9kg

D.300kg

MCQ 19: In a force-extension graph, force is taken along horizontal axisbecause

A.forceisindependentvariable

B.extensionisindependentvariable

C.forceisdependentvariable

D.allofabove

MCQ20:Extensionandappliedforceare

A.directlyproportional

B.inverselyproportional

C.areindependentofeachother

D.inverselyrelated

MCQ21:1Paisequalto

A.1Nm

B.1kg

C.1Nm-1

D.1Nm-2

MCQ22:Springconstantofspringisalsocalled

A.gradient

B.tensileforces

C.stiffness

D.compression

AnswersKey:

1.A2.B3.A4.D5.D6.C7.C8.D9.B10.B11.B12.D13.A14.D

15.B16.B17.A18.C19.A20.A21.D22.C

Chapter19

MechanicsandPropertiesofMatterMCQs

MCQ1:Tensilestrainisequalto

A.Forceperunitarea

B.Forceperunitvolume

C.Extensionperunitlength

D.Forceperunitlength

MCQ2:Inelasticcollisions,

A.onlythetotalmomentumofthecollidingobjectsisconserved.

B.onlythetotalkineticenergyisconserved.

C.bothofthemomentumandtotalkineticenergyareconserved.

D. neither momentum of the colliding bodies nor the total kinetic energy arerecoverable.

MCQ3:Totalangularmomentumofabodyisgivenby

A.I×ω;whereI:momentofinertiaofthebody,ω:angularvelocity

B.I²×ω;whereI:momentofinertiaofthebody,ω:angularvelocity

C.I²×ω²;whereI:momentofinertiaofthebody,ω:angularvelocity

D.I×ω²;whereI:momentofinertiaofthebody,ω:angularvelocity

MCQ4:Forcethatactsonamassof1gandgivesitanaccelerationof1cms-2isdefinedas

A.1newton

B.1dyne

C.1pound-force

D.1pa-force

MCQ5:Anobjectmovinginacircleofradius‘r’withaconstantspeed‘v’hasaconstantaccelerationtowardsthecenterequalto

A.v²⁄r

B.v⁄r

C.v²×r

D.v×r

MCQ6:Einstein'smass-energyrelationshipstatesthatifthemassdecreasesbyΔm,theenergyreleasedΔEisgivenby

A.ΔE=Δm×c,where"c"denotesthespeedoflight.

B.ΔE=Δm×c²,where"c"denotesthespeedoflight.

C.ΔE=Δm⁄c,where"c"denotesthespeedoflight.

D.ΔE=Δm⁄c²,where"c"denotesthespeedoflight.

MCQ 7: Bernoulli's principle states that, for streamline motion of anincompressiblenon-viscousfluid:

A.thepressureatanypart+thekineticenergyperunitvolume=constant

B.thekineticenergyperunitvolume+thepotentialenergyperunitvolume=constant

C.thepressureatanypart+thepotentialenergyperunitvolume=constant

D.thepressureatanypart+thekineticenergyperunitvolume+thepotentialenergyperunitvolume=constant

MCQ 8: While Young's modulus ‘E’ relates to change in length and bulkmodulus ‘K’ relates to change in volume, modulus of rigidity ‘G’ relates tochangein:

A.weight

B.density

C.shape

D.temperature

MCQ9:Young'smodulusisdefinedas

A.tensilestrain/tensilestress

B.tensilestress/tensilestrain

C.tensilestress×tensilestrain

D.length/area

MCQ10:Velocityofescapeisequalto

A. r × √(2g); where r: radius of Earth or any other planet for that matter, g:gravitationalfieldstrength

B. g × √(2r); where r: radius of Earth or any other planet for that matter, g:gravitationalfieldstrength

C. √(2g) ⁄ r; where r: radius of Earth or any other planet for that matter, g:gravitationalfieldstrength

D. √(2gr); where r: radius of Earth or any other planet for that matter, g:gravitationalfieldstrength

MCQ11:Speed‘v’withwhichwavetravelsthroughamediumisgivenby

A.modulusofelasticity/densityofthemedium

B.modulusofelasticity/√(densityofthemedium)

C.√(modulusofelasticity/densityofthemedium)

D.v=d/t

MCQ12:Hooke'slawstatesthat

A.theextensionisproportionaltotheloadwhentheelasticlimitisnotexceeded

B.theextensionisinverselyproportionaltotheloadwhentheelasticlimitisnotexceeded

C.theextensionisindependentoftheloadwhentheelasticlimitisnotexceeded

D.loadisdependentonextension

MCQ13:Dimensionsofstrainare

A.[L]

B.[M][L]-1[T]-2

C.[L]-1

D.It'sadimensionlessquantity

MCQ14:Duetoenergydissipationbyviscousforcesinair,ifsimpleharmonicvariationsofapendulumdieawayaftersometime,thenoscillationissaidtobe:

A.undamped

B.free

C.damped

D.dependent

MCQ15:At‘yieldpoint’ofacopperwire

A.theloadhasn'texceededtheelasticlimityet;so,Hooke'slawapplies

B. the loadhasalreadyexceeded theelastic limitand thematerialhasbecomeplastic

C.eventheplasticstagehaspassedandthewirehassnappedalready

D.LikeBrassandBronze,Copperhasnoyieldpoint

MCQ16:Stationarywavesarealsocalled

A.staticwaves

B.standingwaves

C.progressivewaves

D.Alloftheabove

MCQ17:When theworkdone inmovingaparticle rounda closed loop in afieldiszero,theforcesinthefieldarecalled

A.Zeroforces

B.Non-Conservativeforces

C.Conservativeforces

D.Viscousforces

MCQ 18: Substances that elongate considerably and undergo plasticdeformationbeforetheybreakareknownas

A.brittlesubstances

B.breakablesubstances

C.ductilesubstances

D.elasticsubstances

MCQ19:1torrisequalto

A.1N⁄m²

B.1mmHg

C.1bar

D.Alloftheabove

MCQ20:Velocityofsoundwavesthroughanymaterialdependson

A.thematerial'sdensity‘d’only

B.thematerial'sdensity‘d’aswellasitsmodulusofelasticity‘E’

C.thematerial'smodulusofelasticity‘E’only

D.neitherthematerial'sdensity‘d’noritsmodulusofelasticity‘E’

MCQ21:Periodofsimpleharmonicmotionofaspiralspringorelasticthreadisgivenby

A.T=2π×(extensionproduced/gravitationalfieldstrength)

B.T=2π×(extensionproduced/√(gravitationalfieldstrength))

C.T=2π×(√(extensionproduced)/gravitationalfieldstrength)

D.T=2π×√(extensionproduced/gravitationalfieldstrength)

MCQ22: Inorder to slipone surfaceover another,maximum frictional forcehastobeovercome,thismaximumfrictionalforcebetweenthetwosurfacesisalsoknownas

A.kineticfrictionalforce

B.maximalfrictionalforce

C.limitingfrictionalforce

D.resistingforce

MCQ23:VanderWaalsderivedanexpressionforthe‘pressuredefect’,iftheobserved pressure is denoted as ‘p’ and volume is denoted as ‘V’, the gaspressureinthebulkofthegasisequalto:

A.p+a/V;wherea:constantfortheparticulargas

B.p+a/(V²);wherea:constantfortheparticulargas

C.p+(a×V);wherea:constantfortheparticulargas

D.p+(a×V²);wherea:constantfortheparticulargas

MCQ24:"Upthrust=Weightoftheliquiddisplaced"isknownas

A.Bernoulli'sPrinciple

B.Archimedes'Principle

C.Pascal'sLaw

D.Coulomb'slaw

MCQ25:Assuminguniformdensityofthecore,theaccelerationduetogravitybelowtheEarth'ssurfaceis

A. inversely proportional to the square of the distance from the center of theEarth

B.inverselyproportionaltothedistancefromthecenteroftheEarth

C.directlyproportionaltothesquareofthedistancefromthecenteroftheEarth

D.directlyproportionaltothedistancefromthecenteroftheEarth

MCQ 26: When a gas or a liquid is subjected to an increased pressure, thesubstancecontracts,thebulkstrainisdefinedas

A.finalvolume⁄originalvolume

B.finalpressure⁄originalpressure

C.changeinvolume⁄originalvolume

D.originalvolume⁄changeinvolume

MCQ27:Tensilestressisequalto

A.Forceperunitarea

B.Forceperunitvolume

C.Extensionperunitlength

D.Extensionperunitarea

MCQ28:Dimensionsofrelativedensityare

A.mass×length-3

B.mass×length3

C.Ithasnodimensions,sinceit'saratiooftwodensities

D.length3×mass-1

MCQ29:Dimensionsofgravitationalconstant‘G’are:

A.[M]-1[L]3[T]-2

B.[M][L]3[T]-2

C.[M]-1[L]2[T]-1

D.[M][L]-1[T]2

MCQ30:Apersonofmass‘m’kgjumpsfromaheightof‘h’meters,hewilllandonthegroundwithavelocityequalto:

A.√(2×g×h)

B.1/h×√(2×g)

C.2gh

D.2√(g×h)

MCQ31:Inlinearmotion,theenergyisgivenby1⁄2mv2.Similarly,inrotationalmotion,therotationalenergyisgivenby

A.1/2×I×ω;whereI:momentofinertiaofthebody,ω:angularvelocity

B.1/2×I²×ω;whereI:momentofinertiaofthebody,ω:angularvelocity

C.1/2×I×ω²;whereI:momentofinertiaofthebody,ω:angularvelocity

D.1/2×I²×ω²;whereI:momentofinertiaofthebody,ω:angularvelocity

MCQ32:Boyle'slawstatesthat

A.pressureofagasisinverselyproportionaltoitsvolumei.e.P×V=constant

B.pressureofagasisdirectlyproportionaltoitsvolumei.e.P⁄V=constant

C.pressureofagasisinverselyproportionaltothesquareofitsvolumei.e.P×V²=constant

D.pressureofagasisdirectlyproportionaltothesquareofitsvolumei.e.P⁄V²=constant

MCQ33:Isothermalbulkmodulusisequalto

A.Υ×P;whereΥ:theratioofthespecificheatcapacitiesofthegas,P:pressure

B.Pressure

C.Theratioofthespecificheatcapacitiesofthegas

D.Υ⁄P;whereΥ:theratioofthespecificheatcapacitiesofthegas,P:pressure

MCQ34:Adiabaticbulkmodulusisequalto:

A.Υ×P;whereΥ:theratioofthespecificheatcapacitiesofthegas,P:pressure

B.Pressure

C.Theratioofthespecificheatcapacitiesofthegas

D.Υ⁄P;whereΥ:theratioofthespecificheatcapacitiesofthegas,P:pressure

MCQ35:Bernoulli'sprincipleshowsthat,atpointsinamovingfluidwherethepotentialenergychangeisverysmall

A. the pressure is lowwhere the velocity is low and similarly, the pressure ishighwherethevelocityishigh

B.thepressureislowwherethevelocityishighandconversely,thepressureishighwherethevelocityislow

C.pressurebecomesindependentofthevelocityofthemovingfluid

D.pressureremainindependentofthespeedofthestationaryfluid

MCQ36:1N(newton)isequalto

A.102dynes

B.103dynes

C.104dynes

D.105dynes

MCQ37:Torricelli'stheoremstatesthatthevelocity‘v’oftheliquidemergingfromthebottomofthewidetankisgivenby√(2gh).Inpractice,thisvelocityis:

A.equalto√(2gh)

B.greaterthan√(2gh)

C.lesserthan√(2gh)

D.independentofheightandgravitationalfieldstrength

MCQ38:DimensionsofYoung'smodulusare

A.[M]-1[L]-1[T]-2

B.[M]-1[L]-2[T]-2

C.[M][L]-2[T]-2

D.[M][L]-1[T]-2

MCQ39:Kepler's3rdlawstatesthat...

A. theperiodsofrevolutionof theplanetsareproportional to thecubeof theirmeandistancesfromsun

B.theperiodsofrevolutionoftheplanetsareinverselyproportionaltothecubeoftheirmeandistancesfromsun

C.thesquaresoftheperiodsofrevolutionoftheplanetsareproportionaltothecubeoftheirmeandistancefromsun

D. the squares of the periods of revolution of the planets are inverselyproportionaltothecubeoftheirmeandistancefromsun

AnswersKey:

1.C2.C3.A4.B5.A6.B7.D8.C9.B10.D11.C12.A

13.D14.C15.B16.B17.C18.C19.B20.B21.D22.C23.B24.B25.D26.C27.A28.C29.A30.A31.C32.A33.B34.A35.B36.D37.C38.D39.C

Chapter20

MedicalImagingMCQs

MCQ1:Gradualdecreaseinx-raybeamintensityasitpassesthroughmaterialiscalled

A.attenuation

B.decay

C.radioactivity

D.imaging

MCQ2:Attenuationcoefficientofboneis600m-1forx-raysofenergy20keVandintensityofbeamofx-raysis20Wm-2,thenintensityofbeamafterpassingthroughaboneof4mmis

A.3Wm-2

B.2.5Wm-2

C.2.0Wm-2

D.1.8Wm-2

MCQ3:Forprotons,thegyromagneticratiohasthevalue

A.3×108rads-1T-1

B.2.68×108rads-1T-1

C.4×108rads-1T-1

D.5×108rads-1T-1

MCQ4:Energypassingthroughunitareais

A.intensityofx-ray

B.frequencyofx-ray

C.wavelengthofx-ray

D.amplitudeofx-ray

MCQ5:speedofultrasounddependsupon

A.medium

B.amplitude

C.material

D.wavelength

MCQ6:Boneslookwhiteinx-rayphotographbecause

A.theyarebadabsorbersofx-rays

B.theyreflectx-rays

C.theyaregoodabsorbersofx-rays

D.theyarebadabsorbersofultravioletrays

MCQ7:Larmorfrequencydependsuponthe

A.individualnucleus

B.magneticfluxdensity

C.bothAandB

D.energeticfluxunit

MCQ8:Acousticimpedanceofhumanskinis

A.1.65×106kgm2s-1

B.1.71×106kgm-2s-1

C.2×106kgm-2s-1

D.2×107kgm-3s-2

MCQ9: In thebest piezo-electric substances, themaximumvalueof strain isabout

A.0.5%

B.0.4%

C.0.3%

D.0.1%

MCQ10:Withgelbetweenskinandtransducerpercentageofreflectedintensityofultrasonicis

A.0.03%

B.0.05%

C.0.06%

D.0.08%

MCQ11:Attenuationcoefficientdependson

A.frequencyofx-rayphotons

B.wavelengthofx-rayphotons

C.energyofx-rayphotons

D.amplitudeofx-rayphotons

MCQ12:x-raysarefilteredoutofhumanbodybyusing

A.cadmiumabsorbers

B.carbonabsorbers

C.copperabsorbers

D.aluminumabsorbers

MCQ13:Wavelengthofx-raysisinrange

A.10-8to10-13m

B.10-7to10-14m

C.10-10to10-15m

D.102to109m

MCQ14:Iffastmovingelectronsrapidlydecelerate,thenraysproducedare

A.alpharays

B.betarays

C.gammarays

D.x-rays

MCQ15:Asthex-rayspassthroughmatter,it'sintensity

A.increases

B.decreases

C.remainsconstant

D.mayincreaseordecreasedependingontheobject

MCQ16:X-rayshave

A.shortwavelength

B.highfrequency

C.bothAandB

D.longestwavelength

MCQ17:Acousticimpedanceisdefinedas

A.ρ⁄c

B.ρc

C.c⁄ρ

D.ρ+c

MCQ18: A soundwavewhich has frequency higher than the upper limit ofhumanhearingis

A.infrasonic

B.ultrasonic

C.supersonic

D.megasonic

MCQ19:Fattytissueshave

A.relaxationtimeofseveralseconds

B.relaxationtimeofseveralhundrednanoseconds

C.intermediaterelaxationtimes

D.relaxationtimesofseveralhundredmilliseconds

MCQ20:Angularfrequencyofprecisioniscalled

A.Lowerfrequency

B.higherfrequency

C.Larmorfrequency

D.linearfrequency

MCQ21:Scatteredx-raybeamsapproachthedetectorscreen

A.perpendicularly

B.parallel

C.anti-parallel

D.atanangle

MCQ22:Maximumenergyanx-rayphotoncanhaveis

A.e⁄V

B.e

C.eV

D.V

MCQ23:Softx-rayshave

A.highenergies

B.lowenergies

C.lowestfrequency

D.longestwavelength

MCQ24:Intensityofx-rayscanbeincreasedbyincreasing

A.frequency

B.current

C.voltage

D.resistance

MCQ25:Bonethicknessisequalto

A.cΔt/2

B.cΔt

C.c/t

D.t/2

MCQ26:Hardnessofx-raybeamcanbeincreasedbyincreasing

A.voltage

B.current

C.frequency

D.wavelength

MCQ27:Inx-rayproduction,thekineticenergyofanelectronarrivingatanodeis

A.100keV

B.200keV

C.300keV

D.400keV

MCQ28:Changeinspeedofultrasoundcauses

A.reflection

B.diffraction

C.refraction

D.image

MCQ29:Typeofx-raysusedtodetectbreakinboneis

A.hard

B.soft

C.bothAandB

D.moderate

MCQ30:Wavelengthof2.0MHzultrasoundwavesintissueis

A.7.5×10-4m

B.8×10-5m

C.8.5×10-6m

D.9.2×10-3m

MCQ31:Intensifierscreensreducesthepatient'sexposuretox-raysbyafactorof

A.500-600

B.1000-2000

C.100-500

D.10-100

MCQ32:Contrastmediaconsistofelementswith

A.loweratomicnumber

B.higheratomicnumber

C.metalloids

D.inertgases

MCQ33:Thicknessofmaterialwhichdecreases intensityofx-raymaterial tohalfoforiginalvalueis

A.quarterthickness

B.halfthickness

C.halflife

D.2timesofthickness

MCQ34:Agoodx-raysourceshouldproducex-raysofnarrowbeamand

A.parallelx-rays

B.perpendicularx-rays

C.anti-parallelx-rays

D.anti-perpendicularx-rays

AnswersKey:

1.A2.D3.B4.A5.C6.C7.C8.B9.D10.A11.C12.D13.A

14.D15.B16.C17.B18.B19.D20.C21.D22.C23.B24.B25.A26.A27.B28.C29.A30.A31.C32.B33.B34.A

Chapter21

MomentumMCQs

MCQ1:SpeedofEarthwhenarockofmass60kgfallingtowardsEarthwithspeedof20ms-1is

A.2.4×10-22ms-1

B.3.5×10-33ms-1

C.−2.0×10-22ms-1

D.−3×1034ms-1

MCQ2:Forceexertedbybatonballifitstrikesaballofmass0.16kginitiallyhitsbatwithspeedof25ms-1withtimeimpactof0.003sis

A.145N

B.1333.33N

C.1456.7N

D.6543N

MCQ3:Momentumofelectronhavingmass9.1×10-31kgandvelocity2.0×107is

A.1.91×10-23

B.2.34×10-23

C.3.11×10-19

D.7.88×10-34

MCQ4:Toreplaceaballwithanotherballbycollision,asnookerplayermustconsidertheconditionthat

A.thecollisionmustbeheadon

B.Themovingballmustnotbegivenanyspin

C.bothAandB

D.noconditionsrequired

MCQ5:Directionofmomentumisdirectionofobject's

A.mass

B.acceleration

C.velocity

D.frictionalforce

MCQ6: Ina springycollision, if the fastmoving trolleycollideswitha slowone,thenthefastonewillbouncebackatspeedof

A.slowone

B.lessthanslowone

C.morethanslowone

D.withthesamespeedasbefore

MCQ7:Anobjecttravellingwithconstantvelocityhas

A.constantmomentum

B.zeromomentum

C.increasingmomentum

D.decreasingmomentum

MCQ8:Ifatrolleycollideswithastationarytrolleyofdoublemass,thentheymoveoffwith

A.halfoftheoriginalvelocity

B.onethirdoforiginalvelocity

C.doubletheoriginalvelocity

D.tripletheoriginalvelocity

MCQ9:Inaperfectlyelasticcollision,momentumandenergyare

A.notconserved

B.conserved

C.becomeszeroaftercollision

D.equalbeforecollision

MCQ10:Massandvelocityarecombinedtogive

A.angularmomentum

B.equilibrium

C.acceleration

D.linearmomentum

MCQ11:If thetotalkineticenergyandmomentumofasystembecomeszeroaftercollision,thenthecollisionis

A.elastic

B.inelastic

C.conserved

D.notconserved

MCQ12:Momentumof twoobjectsmovingwithsamespeedbut inoppositedirectionuponcollisionis

A.increased

B.decreased

C.iszero

D.isinfinite

MCQ13:Forcesoninteractingbodiesare

A.equal

B.opposite

C.bothAandB

D.parallel

MCQ 14: Resultant force acting on object and rate of change of linearmomentumare

A.inverselyrelated

B.notrelatedatall

C.directlyrelated

D.directlyproportional

MCQ 15: In a perfectly elastic collision, the relative speed of approach andrelativespeedofseparationare

A.equal

B.inequal

C.zero

D.infinite

MCQ16:Awhiteballofmass1.0kgmovingwithinitialspeedu=0.5ms-1collideswithstationaryredballofsamemass,theymoveforwardmakingangleof90°betweentheirpaths.Theirspeedis

A.1ms-1

B.0.354ms-1

C.2ms-1

D.3ms-1

MCQ17:Infireworksthemomentumprovidedbychemicalsisdirected

A.upwards

B.leftside

C.rightside

D.downwards

MCQ18:Totalmomentumwithinaclosedsystemis

A.increasing

B.decreasing

C.zero

D.constant

MCQ19:Averageforceactingon900kgcarifit'svelocityrangesfrom5ms-1

to30ms-1in12sis

A.1875N

B.2000N

C.3000N

D.1560N

MCQ20:Interactionthatcausesanobject'smomentumtochangeis

A.velocity

B.acceleration

C.power

D.force

MCQ21:Momentumpossessedbyspinningobjectsiscalled

A.linearmomentum

B.angularmomentum

C.normalmomentum

D.degrees'momentum

MCQ22:Inaperfectlyinelasticcollision,kineticenergy

A.totallydisappears

B.isincreased

C.isdecreased

D.isunchanged

AnswersKey:

1.C2.B3.A4.C5.C

6.A7.A8.B9.B10.D11.B12.C13.C14.C15.A16.B17.D18.D19.A20.D21.B22.A

Chapter22

MotionDynamicsMCQs

MCQ1:Contactforcealwaysactsat

A.acuteanglestothesurfaceproducingit

B.rightanglestothesurfaceproducingit

C.obtuseangletothesurfaceproducingit

D.paralleltothesurfaceproducingit

MCQ2:Combinationsofbaseunitsare

A.simpleunits

B.derivedunits

C.scalars

D.vectors

MCQ3:TwoforceswhichmakeupNewton'sthirdlawcan

A.actonsameobjects

B.actondifferentobjects

C.notactatsametime

D.notactoppositely

MCQ4:Rateoffallingobjectinvacuumis

A.independentofweight

B.dependentonmass

C.independentofmass

D.dependentofweight

MCQ5:Atterminalvelocitythe

A.airresistanceandweightareequal

B.airresistanceislessthanweight

C.weightismorethanairresistance

D.airresistanceismorethanweight

MCQ6:Vehiclewillaccelerateaslongas

A.airresistanceisgreaterthanthrust

B.airresistanceisgreaterthaninertia

C.thrustisgreaterthanairresistanceandfriction

D.frictionisgreaterthanthrust

MCQ7:1Nisequalto

A.1kgms-2

B.10kgms-1

C.10kgms-2

D.100kgms-2

MCQ8:Densityofairis

A.1⁄8ofwater

B.1⁄7ofwater

C.1⁄45ofwater

D.1⁄800ofwater

MCQ9:Untilaforceactsonabody,it'svelocityis

A.zero

B.constant

C.increasing

D.decreasing

MCQ10:Ifthereisnonetforceactingonbody,thenitsaccelerationis

A.zero

B.constant

C.increasing

D.decreasing

MCQ 11: Acceleration of a rocket having mass 5000 kg and resultant forceactingonitis200,000Nis

A.50ms-2

B.56ms-2

C.70ms-2

D.40ms-2

MCQ12:Forcewhichmakesitdifficulttorunthroughshallowwateriscalled

A.viscosity

B.upthrust

C.friction

D.drag

MCQ13:Prefixfor10-9is

A.micro

B.deci

C.centi

D.nano

MCQ14:Accelerationduetogravityonmoonis

A.9.9ms-2

B.9.5ms-2

C.6.1ms-2

D.1.6ms-2

MCQ15:Anobjectimmersedinfluidexperiencesanupwardforcenamed

A.viscosity

B.dragforce

C.upthrust

D.friction

MCQ16: Ifeachterminanequationhassamebaseunits thentheequationissaidtobe

A.homogeneous

B.nonhomogeneous

C.equationofstraightline

D.equationofcircle

MCQ17:Aforcesimilartofrictionis

A.forwardforce

B.pullingforce

C.dragforce

D.contactforce

MCQ18:Forcesactingonanobjectarebalancedifresultantforceonobjectis

A.constant

B.zero

C.increasing

D.decreasing

MCQ19:Baseunitamongfollowingis

A.Newton

B.Joule

C.Candela

D.Watt

MCQ20:Forceprovidedbybreakingsystemoftrainifitisdeceleratingatrateof-3ms-2andhavingmass10,000kgis

A.-30,000N

B.-40,000N

C.-50,000N

D.30,000N

MCQ21:Forceappliedonabodyanditsaccelerationare

A.inverselyrelated

B.directlyrelated

C.notrelatedatall

D.inverselyproportional

MCQ22:Thelargerthemassofamovingobjectthe

A.largertheaccelerationproduced

B.accelerationbecomesconstant

C.smallertheacceleration

D.accelerationbecomeszero

MCQ23:500MWcanbewritteninpowersof10as

A.500×106

B.500×103

C.500×10-6

D.500×109

MCQ24:Pointwhereentireweightofanobjectactsis

A.edge

B.centerofgravity

C.centralpoint

D.canbeanywhereinbody

MCQ25:Anothernameforforceofgravityactingonanobjectis

A.friction

B.airresistance

C.weight

D.mass

MCQ26:Whentwoobjectsareincontact,theyexertforcesin

A.oppositedirection

B.samedirections

C.canbebothAandB

D.perpendiculardirection

AnswersKey:

1.B2.B3.B4.C5.A6.C7.A8.D9.B10.A11.D12.D13.D14.D15.C16.A

17.C18.B19.C20.A21.B22.C23.A24.B25.C26.A

Chapter23

NuclearPhysicsMCQs

MCQ1:Activityisproportionaltonumberof

A.daughternuclei

B.decayednuclei

C.undecayednuclei

D.fathernuclei

MCQ2:Energygiventonucleustodismantleitincreasesthe

A.kineticenergyofindividualnucleons

B.mechanicalenergyofindividualnucleons

C.potentialenergyofindividualnucleons

D.chemicalenergyofindividualnucleons

MCQ3:Radioactivedecayisa

A.randomprocess

B.non-spontaneousprocess

C.regularprocess

D.massiveprocess

MCQ4:1uisequalto

A.1.660×10-27kg

B.2×10-27kg

C.3×10-27kg

D.5×10-27kg

MCQ5:Ingammaemission,thechangeinnucleonnumberis

A.zero

B.definite

C.increaseby1

D.decreasesby1

MCQ6:Athigherenergy,thebodieshave

A.smallmass

B.largemass

C.zeromass

D.smallerweight

MCQ7:Timetakenbyaradioactivesubstancetodecayhalfiscalled

A.timedelay

B.halflife

C.timeconstant

D.halfperiod

MCQ8:Moststableisotopeinnatureisof

A.iron-56

B.carbon-12

C.uranium-235

D.uranium-238

MCQ9:Activityofonedecaypersecondisequalto

A.1Bq

B.1atm

C.1mol

D.1Cd

MCQ10:Thegreaterthedecayconstant

A.thelesstheactivity

B.thegreatertheactivity

C.thegreaterthesize

D.thelessthesize

MCQ11:Totalamountofmassandenergytogetherinasystemis

A.increasing

B.decreasing

C.zero

D.constant

MCQ12:Processbywhichenergyisreleasedinsunis

A.fission

B.Haber'sprocess

C.fusion

D.radioactivity

MCQ13:Minimumenergyrequiredtopullnucleusapartiscalled

A.ionizationenergy

B.electronaffinity

C.chemicalenergy

D.bindingenergy

MCQ14:MassexcessforU-235is

A.0.034u

B.0.043u

C.0.05u

D.0.06u

MCQ15:Ascomparedtoproton,massofneutronis

A.10%greater

B.5%greater

C.1%greater

D.0.1%greater

MCQ 16: 1 mole of uranium-238 has potential to emit total energy equal toabout

A.109J

B.1010J

C.1011J

D.1012J

MCQ17:Ifenergyisreleasedfromasystem,it'smass

A.decreases

B.increases

C.constant

D.zero

MCQ18:Newnucleusafteralphaparticledecays,iscalled

A.parentnucleus

B.daughternucleus

C.decayednucleus

D.undecayednucleus

MCQ19:Ifnucleusisformedfromseparatenucleons,thenenergyis

A.gained

B.released

C.converted

D.absorbed

AnswersKey:

1.C2.C3.A4.A5.A6.B7.B

8.A9.A10.B11.D12.C13.D14.B15.D16.C17.A18.B19.B

Chapter24

OscillationsMCQs

MCQ1:Maximumdisplacementfromequilibriumpositionis

A.frequency

B.amplitude

C.wavelength

D.period

MCQ2:Displacement-timegraphdepictinganoscillatorymotionis

A.coscurve

B.sinecurve

C.tangentcurve

D.straightline

MCQ3:Ins.h.m,velocityatequilibriumpositionis

A.minimum

B.constant

C.maximum

D.zero

MCQ4:Naturalfrequencyofaguitarstringcanbechangedbychangingit's

A.area

B.diameter

C.length

D.stiffness

MCQ5:Over-dampingresultsin

A.slowerreturntoequilibrium

B.fasterreturntoequilibrium

C.equilibriumisneverachieved

D.arrhythmicreturntoequilibrium

MCQ6:Oureyesdetecttheoscillationsupto

A.8Hz

B.9Hz

C.6Hz

D.5Hz

MCQ7:Fors.h.m,maximumspeedisproportionalto

A.wavelength

B.acceleration

C.time

D.frequency

MCQ8:Aforcethatactstoreturnthemasstoit'sequilibriumpositioniscalled

A.frictionalforce

B.restoringforce

C.normalforce

D.contactforce

MCQ9:Incars,springsaredampedby

A.shockabsorbers

B.engine

C.tyres

D.brakepedals

MCQ10:Iftimeperiodofanoscillationis0.40s,thenit'sfrequencyis

A.2Hz

B.2.5Hz

C.3Hz

D.3.5Hz

MCQ11:Asamplitudeofresonantvibrationsdecreases,degreeofdamping

A.increases

B.remainssame

C.decreases

D.varies

MCQ12:Oscillationsbecomedampeddueto

A.normalforce

B.friction

C.tangentialforce

D.parallelforce

MCQ13:Ins.h.m,object'saccelerationdependsupon

A.displacementfromequilibriumposition

B.magnitudeofrestoringforce

C.bothAandB

D.forceexertedonit

MCQ14:angularfrequencyofs.h.misequalto

A.2π

B.2πf

C.2f

D.1⁄T

MCQ15:Foraresonatingsystemitshouldoscillate

A.bound

B.onlyforsometime

C.freely

D.forinfinitetime

MCQ16:Velocityatequilibriumpositionis

A.constant

B.minimum

C.maximum

D.zero

MCQ17:Iftheswingmovesfromrighttoleft,thenvelocityis

A.negative

B.positive

C.constant

D.zero

MCQ18:Accelerationisdirectlyrelatedto

A.displacement

B.negativeofdisplacement

C.velocity

D.negativeofspeed

MCQ19:Gradientofvelocity-timegraphgives

A.force

B.frequency

C.wavelength

D.acceleration

MCQ20:Magnitudeofgradientofa-xgraphis

A.ω

B.ω2

C.ω⁄2

D.ω3

MCQ21:Potentialenergyofsystemismaximumat

A.extremeposition

B.meanposition

C.inbetweenextremeandmeanposition

D.moderateposition

MCQ22:Ins.h.m,accelerationisalwaysdirectedtowardsthe

A.equilibriumposition

B.meanposition

C.tangenttothemotion

D.downwards

MCQ23:Numberofoscillationsperunittimeis

A.amplitude

B.wavelength

C.frequency

D.period

MCQ24:Whendisplacementx=0,thenkineticenergyofsystemis

A.minimum

B.maximum

C.constant

D.zero

MCQ25:Energyofasystemexecutings.h.mis

A.increasing

B.decreasing

C.constant

D.variable

MCQ26:Oscillatorymotionhasa

A.straightlinedgraph

B.randomlylinedgraph

C.sinusoidalgraph

D.asymptoticgraph

MCQ27:Duringoneoscillation,phaseofoscillationchangesby

A.πrad

B.π⁄2rad

C.2πrad

D.4πrad

MCQ28:Ifanobjectmovesbackandforthrepeatedlyaroundameanpositionitiscalled

A.oscillating

B.revolving

C.rotating

D.motion

AnswersKey:

1.B2.B

3.C4.C5.A6.D7.D8.B9.A10.B11.C12.B13.C14.B15.C16.C17.A18.B19.D20.B21.A22.A23.C24.B25.C26.C27.C28.A

Chapter25

PhysicsProblemsASLevelMCQs

MCQ1:Terminalpotentialdifferenceofbatterydependson

A.current

B.temperature

C.bothAandB

D.resistanceofexternalresistor

MCQ2:Systematicerrorsoccurdueto

A.overuseofinstruments

B.carelessusageofinstruments

C.bothAandB

D.humansight

MCQ3:Incells,internalresistanceisdueto

A.componentsinside

B.chemicalswithin

C.leadblocks

D.graphite

MCQ4:Measurementwhichisclosetothetruevalueis

A.accurate

B.average

C.precise

D.error

MCQ 5: A train with a whistle that emits a note of frequency 800 Hz isapproaching an observer at speed of 60m s-1, the frequencyof note heard byobserveris

A.978Hz

B.980Hz

C.950Hz

D.900Hz

MCQ6:Smallestdivisiononaruleisof

A.1cm

B.1m

C.1mm

D.10cm

MCQ7: If the twoquantizes are inverselyproportional thengraphbetweenyand1/xgives

A.straightlinecuttingtheaxis

B.straightlinethroughorigin

C.aparaboliccurve

D.ahyperboliccurve

MCQ8:Systematicerrorscanberemovedby

A.buyingnewinstrument

B.breakingtheinstrument

C.dustingtheinstrument

D.recalibratingtheinstrument

MCQ9:Leastcountofscrewgaugeis

A.0.01cm

B.0.5cm

C.0.1cm

D.0.01mm

MCQ10: Increase inkineticenergyofcarhavingmass800kgandvelocitiesrangingfrom20ms-1to30ms-1is

A.300KJ

B.500KJ

C.400KJ

D.200KJ

MCQ11:Workdonebyapersonhavingweight600Nandheneedstoclimbupamountainofheight2000mis

A.1000kJ

B.1300kJ

C.1400kJ

D.1200kJ

MCQ 12: Internal resistance of cell when there is current of 0.40 Awhen a

batteryof6.0Visconnectedtoaresistorof13.5Ωis

A.1.5Ω

B.2.3Ω

C.3.5Ω

D.4.5Ω

MCQ13:Barrelofscrewgaugehas

A.100divisions

B.50divisions

C.10divisions

D.45divisions

MCQ14:Ameasurementwhichonrepetitiongivessameornearlysameresultiscalled

A.accuratemeasurement

B.averagemeasurement

C.precisemeasurement

D.estimatedmeasurement

MCQ15:Amotoroftheliftprovidesaforceof20kNwhichrisesitby18min10s,theoutputpowerofmotoris

A.36kW

B.46kW

C.56kW

D.66kW

MCQ16:Actualrangeofvaluesaroundameasurementiscalled

A.error

B.uncertainty

C.accuracy

D.precision

MCQ 17: Depth of water in a bottle is 24.3 cm and uncertainty is 0.2 cm,percentageuncertaintyinmeasurementis

A.0.82%

B.9%

C.1%

D.2%

MCQ18:Whiletakingthereading,thelineofsightshouldbe

A.atacuteangletothescale

B.perpendiculartoscale

C.atobtuseangletothescale

D.paralleltothescale

MCQ19:Maximumcurrentabatteryofe.m.f3.0Vandinternalresistance1.0Ωis

A.4.0A

B.5.0A

C.3.0A

D.30A

MCQ20:Inpotentialdividers,theoutputvoltagedependsuponthe

A.singleresistor

B.relativevaluesofallresistors

C.current

D.temperature

MCQ21:Calipersareusedtomeasurethe

A.diameter

B.length

C.thickness

D.volume

MCQ22:Smallestdivisiononstopwatchis

A.0.1s

B.0.05s

C.0.01s

D.1s

AnswersKey:

1.D2.C3.B4.A5.A6.C7.B8.D9.D

10.D11.D12.A13.B14.C15.A16.B17.A18.B19.C20.B21.A22.C

Chapter26

Physics:WavesMCQs

MCQ1:intensityofsun'sradiationisabout

A.1.0kWm-2

B.20kWm-2

C.5kWm-2

D.8kWm-2

MCQ2:Whenlightentersfromvacuumintoglass,it'svelocity

A.decreases

B.remainssame

C.increases

D.variesdependingonmassofglass

MCQ3:Aswavetravels,intensity

A.increases

B.remainssame

C.decreases

D.varies

MCQ4:Wavesthatmovethroughmaterialsarecalled

A.progressivewaves

B.EMwaves

C.radiowaves

D.UVwaves

MCQ5:Speedofsoundinairis

A.280ms-1

B.300ms-1

C.350ms-1

D.330ms-1

MCQ6:Particlesvibrateabouttheirmeanpositionsandtransfer

A.frequency

B.wavelength

C.energy

D.power

MCQ7:Speedofelectromagneticradiationisindependentof

A.wavelength

B.amplitude

C.timeperiod

D.frequency

MCQ8:Mechanicalwavesinclude

A.sound

B.light

C.EMwaves

D.UVwaves

MCQ9:Acompletecycleofwaveisaround

A.90°

B.180°

C.45°

D.360°

MCQ10:Changingmagneticfieldinduces

A.charge

B.current

C.frequency

D.voltage

MCQ11:Phasedifferenceismeasuredin

A.degrees

B.meters

C.seconds

D.newton

MCQ 12: Speed at which stars and galaxies are moving away from us isdeterminedbyphenomenaof

A.blueshift

B.yellowshift

C.redshift

D.orangeshift

MCQ13:Electricandmagneticfieldsvaryatangleof

A.30°

B.90°

C.45°

D.180°

MCQ14:Unificationofelectromagneticandweaknuclearforceswasdoneby

A.Maxwell

B.Faraday

C.Kirchhoff

D.Abdus-Salam

MCQ15:Frequencyandtimeperiodare

A.directlyrelated

B.notrelated

C.inverselyrelated

D.directlyproportional

MCQ 16: Amount by which one oscillation leads or lags behind another iscalled

A.inphase

B.intensity

C.phasedifference

D.superposition

MCQ17:Numberofoscillationsperunittimeiscalled

A.wavelength

B.amplitude

C.displacement

D.frequency

MCQ18: If theparticlesofmediumvibrateat rightangles to thedirectionofvelocitythenwaveis

A.longitudinal

B.transverse

C.abrupt

D.sound

MCQ19:Intensityofawaveisdirectlyproportionaltothe

A.amplitude

B.squareofamplitude

C.cubeofamplitude

D.frequency

MCQ20:Wavespeedisdirectlyproportionalto

A.frequency

B.amplitude

C.wavelength

D.energy

MCQ21:Longitudinalwavesgivesriseto

A.amplitude

B.frequency

C.wavelength

D.highandlowpressureregions

MCQ22:Rangesofwaveswhichoverlapare

A.x-raysandgammarays

B.x-raysandinfraredrays

C.gammaraysandinfraredrays

D.UVraysandinfraredrays

AnswersKey:

1.A2.A3.C4.A5.D6.C7.D8.A9.D10.B11.A12.C13.B14.D

15.C16.C17.D18.B19.B20.C21.D22.A

Chapter27

QuantumPhysicsMCQs

MCQ1: Inorder to find the internal structureofnucleus, electrons shouldbeacceleratedbyvoltagesupto

A.105V

B.107V

C.109V

D.1011V

MCQ2:Highspeedelectronshavewavelengthoforder

A.10-15m

B.10-14m

C.10-16m

D.10-17m

MCQ3:Wavelengthofslowmovingneutronsisabout

A.10-34m

B.10-20m

C.10-19m

D.10-10m

MCQ4:Highspeedelectronsfromparticledetectorsareusedtodetermine

A.arrangementofatomsinmetals

B.diameterofatomicnuclei

C.interatomicdistance

D.circumferenceofatomicnuclei

MCQ5:Energyofgammaphotonisgreaterthan

A.102J

B.10-13J

C.1013J

D.105J

MCQ6:Wavesassociatedwithelectronsarereferredtoas

A.plasmawaves

B.UVwaves

C.gammarays

D.matterwaves

MCQ7:Frequencybelowwhichnoelectronsareemittedfrommetalsurfaceis

A.minimumfrequency

B.angularfrequency

C.maximumfrequency

D.thresholdfrequency

MCQ8:Lossofenergyofanelectronresultsin

A.absorptionofphoton

B.emissionofphoton

C.destructionofphoton

D.formationofphoton

MCQ9:Wavelengthofa65kgpersonrunningataspeedof3ms-1throughanopeningofwidth0.80mis

A.34m

B.35m

C.3.4×10-36m

D.3.5m

MCQ10:AccordingtoNewton,thelighttravelsas

A.particles

B.waves

C.bothAandB

D.dust

MCQ11:Inelectrondiffraction,theringsbehaveas

A.particles

B.waves

C.bothAandB

D.rays

MCQ12:Energyabsorbedbyelectronisusedin

A.escapingthemetal

B.increasingkineticenergy

C.bothAandB

D.increasingfrequency

MCQ13:Diffractionofslowmovingelectronsisusedtoestimate

A.arrangementofatomsinmetals

B.natureofatoms

C.numberofatomsinmetals

D.positionofatomsinmetalloids

MCQ14:Energyofphotonisdirectlyrelatedtothe

A.wavelength

B.wavenumber

C.frequency

D.amplitude

MCQ15:WhenachargedparticleisacceleratedthroughapotentialdifferenceV,it'skineticenergy

A.decreases

B.remainssame

C.increases

D.variesdependingonresistanceofwire

MCQ16:Energyofanelectroninanatomis

A.quantized

B.continuous

C.radial

D.randomized

MCQ17:Indark,LDRhas

A.lowresistance

B.highcurrent

C.highresistance

D.bothAandB

MCQ18:1eVisequalto

A.1.6×10-19J

B.2.0×10-20J

C.3J

D.4J

MCQ 19: Electrons show diffraction effects because their de Brogliewavelengthissimilarto

A.spacingbetweenatomiclayers

B.no.ofatomiclayers

C.natureofatomiclayers

D.positioningofatomiclayers

MCQ20:Characteristicpropertiesofwavesare

A.reflection

B.refraction

C.interference

D.allofabove

MCQ21:Plank'sconstanthasunits

A.J

B.s

C.Js-1

D.Js

MCQ22:Gasatomsthatexertnegligibleelectricalforcesoneachotherare

A.molecules

B.compounds

C.isotopes

D.isolatedatoms

MCQ23:Wavelengthofredcolorisabout

A.7×10-7m

B.7×107nm

C.4×10-7m

D.4×10-7nm

MCQ24:Quantumofelectromagneticenergyiscalled

A.particles

B.photons

C.waves

D.energy

MCQ25:Inphotoelectriceffect,electronsshouldberemovedfromthe

A.innershells

B.surface

C.fromcore

D.thenucleus

MCQ26:Lightinteractswithmatteras

A.wave

B.particle

C.bothAandB

D.rays

MCQ27:Whenwhitelightispassedthroughcoolgases,thespectraobservediscalled

A.linespectra

B.continuousspectra

C.emissionlinespectra

D.absorptionlinespectra

MCQ28:Wavelengthofultravioletregionofelectromagneticspectrumis

A.121nm

B.120nm

C.119nm

D.130nm

MCQ29:Inaninsulator,thevalencebandis

A.fullyoccupied

B.fullyempty

C.halffilled

D.halfcharged

MCQ30:Mostenergeticphotonsare

A.alpha

B.beta

C.gamma

D.x-rays

AnswersKey:

1.C2.A3.D4.B5.B6.D7.D8.B9.C10.A11.B12.C13.A14.C

15.C16.A17.C18.A19.A20.D21.D22.D23.A24.B25.B26.B27.D28.A29.A30.C

Chapter28

RadioactivityMCQs

MCQ1:Radiusofnucleusrangesfrom

A.10-15m

B.10-15mto10-14m

C.10-10m

D.10-10mto10-6m

MCQ2:Numberofprotonsinanatomdetermine

A.chemicalproperties

B.physicalproperties

C.magneticproperties

D.electricalproperties

MCQ3:Inβ+decay,anUPquarkbecomes

A.astrangequark

B.asimplequark

C.adownquark

D.ananti-quark

MCQ4:Mostofthespaceinanatomis

A.filledwithpositivecharge

B.empty

C.filledwithnegativecharge

D.filledwithneutrons

MCQ5:Aprotonismadeupof

A.oneupquarkandtwodownquarks

B.anupquarkanddownantiquark

C.twoupquarksandadownquark

D.strangequarkandananti-strangequark

MCQ6:Neutrinoshaveelectricchargeof

A.zero

B.1

C.2

D.3

MCQ7:β-radiationsaresimply

A.protons

B.neutrons

C.electrons

D.muons

MCQ8:Inanuclearprocess,thequantityconservedis

A.mass-energy

B.momentum

C.massonly

D.energyonly

MCQ9:Aspecificcombinationofprotonsandneutronsinanucleusiscalled

A.nucleons

B.nuclide

C.neutrino

D.nucleolus

MCQ10:Inβ+decay,thenucleonnumberis

A.conserved

B.notconserved

C.unstable

D.stable

MCQ11:Particlesthatareunaffectedbystrongnuclearforceare

A.protons

B.leptons

C.neutrons

D.bosons

MCQ12:Numberofisotopesneonhasis

A.2

B.4

C.3

D.5

MCQ13:PhenomenaofradioactivitywasdiscoveredbyHenriBecquerelin

A.1896

B.1895

C.1894

D.1893

MCQ14:Radiationsemittedbyradioactivesubstancesis

A.alpha

B.beta

C.gamma

D.allofabove

MCQ15: Elements undergo radioactive decaywhen proton number becomesgreaterthan

A.50

B.40

C.83

D.73

MCQ16:Processinwhichαandβrayspassclosetoatomsandknockelectronsoutiscalled

A.atomization

B.ionization

C.decay

D.hydroxylation

MCQ17:Alphaparticleshaverelatively

A.lowkineticenergies

B.highpotentialenergy

C.highmechanicalenergy

D.highkineticenergy

MCQ18:Strongestionizingradiationis

A.Alpha

B.beta

C.gamma

D.x-rays

MCQ19:Thenucleonnumberconsistsof

A.Numberofelectrons

B.Numberofprotons

C.Numberofelectronsandprotons

D.Numberofprotonsandneutrons

MCQ20:Gammaradiationisemittedinorderto

A.excitetheatom

B.releaseexcessenergyfromatom

C.destabilizetheatom

D.stabilizetheatom

MCQ21:Electronsmovearoundnucleusinformof

A.clouds

B.dustparticles

C.steam

D.charge

MCQ22:Particleslikekaonsandmuonsetc,werefoundoutby

A.lookingatcosmicrays

B.lookingatparticlesinaccelerators

C.lookingcloselyatatom

D.bothAandB

MCQ23:Typeofraysthataffectthenucleusare

A.alpha

B.beta

C.gamma

D.EM

MCQ24:Forcethatactsonbothquarksandleptonsis

A.strongnuclearforce

B.weakinteraction

C.intermediateinteraction

D.nuclearforce

MCQ25:Particlesthatexperiencestrongforceare

A.leptons

B.hadrons

C.bothAandB

D.softons

MCQ26:Heavynucleihave

A.moreprotonsthanneutrons

B.moreelectronsthanneutrons

C.moreneutronsthanelectrons

D.moreneutronsthanprotons

MCQ27:Thestrongnuclearforceactsoverthedistance

A.10-13m

B.10-14m

C.10-15m

D.10-16m

MCQ 28: A decay in which a proton decays in to neutron and an electronneutrinois

A.β+decay

B.β-

C.γdecay

D.αdecay

MCQ29:Photonofelectromagneticradiationis

A.αray

B.βray

C.γray

D.x-ray

MCQ30:Massofalphaparticleis

A.50timesthemassofelectron

B.100timesthemassofelectron

C.500timesthemassofelectron

D.1000timesthemassofelectron

MCQ31:Particlewhichexplainsaboutmassofmatteriscalled

A.Higgsboson

B.protons

C.leptons

D.neutrons

MCQ32:Plumpuddingmodeldescribesatomas

A.negativepuddingwithpositiveplums

B.negativepudding

C.positivepuddingwithnegativeplums

D.positivepuddingonly

MCQ33:Leptonamongthemare

A.electrons

B.neutrinos

C.protons

D.bothAandB

MCQ34:Densityofprotonisequaltodensityof

A.electron

B.atom

C.neutron

D.neutrino

AnswersKey:

1.B2.A3.C4.B5.C6.A7.C8.A9.B10.A11.B12.C13.A14.D15.C16.B17.D18.A19.D20.B21.A22.D

23.A24.B25.B26.D27.B28.B29.C30.D31.A32.C33.D34.C

Chapter29

ResistanceandResistivityMCQs

MCQ1:Resistivityofleadis

A.22.5×10-8Ωm

B.20.8×10-8Ωm

C.10Ωm

D.5Ωm

MCQ2:Afilamentlampis

A.Ohmic

B.non-Ohmic

C.lowresistive

D.nonglowing

MCQ3:Incaseoffilamentlampathighervoltages,theresistanceoflamp

A.decreases

B.increases

C.remainsconstant

D.variesdependingonthefilament

MCQ4:Iftheconnectionsacrosstheresistorarereversed,thengraphbetweencurrentandpotentialdifferenceis

A.variable

B.straightlined

C.constant

D.inverted

MCQ5:Insemiconductorsuponincreasingtemperature,conductivity

A.decreases

B.increases

C.remainsconstant

D.haphazard

MCQ6:InNTCthermistoronincreasingtemperature,theresistance

A.increases

B.remainsconstant

C.decreases

D.behavesabruptly

MCQ7:Acomponentthatallowsunidirectionalcurrenttopassthroughitis

A.resistor

B.inductor

C.transformer

D.diode

MCQ8:Arectifierconverts

A.DCtoAC

B.ACtoDC

C.voltageintocurrent

D.currentintovoltage

MCQ9:ThresholdvoltageatwhichLEDemitslightis

A.lessthan0.6

B.equalto0.6

C.morethan0.6

D.morethan3

MCQ10:Resistivityismeasuredin

A.ohms

B.ohmpermeter

C.ohmmeter

D.ohmsq.meter

MCQ11:Componentwhichobeysohm'slawiscalled

A.resistivecomponent

B.efficientcomponent

C.Ohmiccomponent

D.non-Ohmiccomponent

MCQ12:Atconstanttemperature,resistanceandcross-sectionalareaare

A.directlyrelated

B.notrelated

C.remainsconstant

D.inverselyrelated

MCQ13:Currentandvoltageare

A.directlyrelated

B.inverselyrelated

C.notrelated

D.givesabnormalbehaviorongraph

MCQ14:Atthresholdvoltage,resistanceofdiode

A.decreases

B.increases

C.remainsconstant

D.variesdependingonthedirectionofvoltage

MCQ15:Resistanceofaparticularwiredependsupon

A.sizeandshape

B.shapeandlengthonly

C.sizeonly

D.shapeonly

MCQ16:Resistanceofmetalisaffectedby

A.presenceofimpurities

B.temperature

C.bothAandB

D.pressure

MCQ 17: If current and potential difference are directly related then objectfollows

A.Ohm'slaw

B.Faraday'slaw

C.Ampere'slaw

D.Kirchhoff'slaw

AnswersKey:

1.B2.B3.B4.B5.B6.C7.D8.B9.C10.C11.C12.D13.A14.A15.A16.C17.A

Chapter30

SuperpositionofWavesMCQs

MCQ1:Effectofdiffractionisgreatestifwavespassthroughagapwithwidthequalto

A.frequency

B.wavelength

C.amplitude

D.wavefront

MCQ2:Visiblelighthaswavelengthof

A.5×10-7m

B.3×108m

C.6×103m

D.4×104m

MCQ3:Fromdouble-slitexperiment,thequantitiestobemeasuredare

A.slitseparation

B.fringeseparation

C.slit-to-screendistance

D.allofabove

MCQ4:Fordestructiveinterference,thepathdifferenceis

A.oddnumberofhalfwavelengths

B.evennumberofhalfwavelengths

C.wholenumberofwavelengths

D.evenwholenumberofwavelengths

MCQ5:Constructiveinterferencehappenswhentwowavesare

A.outofphase

B.zeroamplitude

C.inphase

D.infront

MCQ6:Twowaveswithphasedifference180°haveresultantofamplitude

A.one

B.zero

C.sameasthesinglewave

D.doublesthesinglewave

MCQ7:Iftwowavesareinphaseandhavesameamplitudethenresultantwavehas

A.halfofamplitudeofsinglewave

B.sameamplitudeassinglewave

C.twiceofamplitudeofsinglewave

D.thriceofamplitudeofsinglewave

MCQ8:Forlisteningradioincars,externalradioaerialsareusedbecause

A.radiowaveshaveshorterwavelength

B.radiowaveshavelongerwavelength

C.radiowavescannotpassthroughwindow

D.radiowavesrequireamediumtopropagate

MCQ9:Whentwowavesmeet,theirdisplacements

A.addup

B.cancelout

C.destructeachother

D.subtractdown

MCQ10:Splittingofwhitelightintoconstituentcolorsiscalled

A.diffraction

B.refraction

C.reflection

D.dispersion

MCQ11:Gratingelementisequalto

A.nλ/sinθ

B.nλ

C.sinθ

D.cosθ

MCQ12:Withdiffractiongrating,theanglesare

A.small

B.greater

C.zero

D.closetozero

MCQ 13: Extra distance travelled by one of waves compared with other iscalled

A.path

B.displacement

C.phasedifference

D.pathdifference

MCQ14: Spreading ofwave as it passes through a gap or around an edge iscalled

A.reflection

B.refraction

C.diffraction

D.superposition

MCQ15:Fringesarereferredtoas

A.minima

B.maxima

C.nodes

D.normalpoints

MCQ16:Principleofsuperpositioncanbeappliedto

A.EMwaves

B.soundwaves

C.radiowaves

D.allofabove

MCQ17:Coherentsourcesemitwavesthathave

A.increasingphasedifference

B.decreasingphasedifference

C.constantphasedifference

D.varyingphasedifference

MCQ18:Interferencepatternoflightanddarkbandsonscreeniscalled

A.graphicalpattern

B.linespectrum

C.lightspectrum

D.fringes

MCQ19:Microwaveshavewavelengthofabout

A.10cm

B.20cm

C.30cm

D.40cm

MCQ20: In young double slit experiment, thewavelength of incident beamsshouldbe

A.same

B.different

C.zero

D.opposite

MCQ 21:Wavelength of an incident light when it is incident normally on adiffractiongratinghaving3000linespercentimeterangularseparationis10°is

A.500nm

B.650nm

C.580nm

D.600nm

AnswersKey:

1.B2.A3.D4.A5.C6.B7.C8.B9.A10.D11.A12.B13.D14.C15.B16.D17.C18.D19.A20.A21.C

Chapter31

ThermalPhysicsMCQs

MCQ1:Supplyofenergydependsupon

A.massofmaterial

B.thechangeintemperature

C.thematerialitself

D.allofabove

MCQ2:Allsubstanceshaveminimuminternalenergyat

A.absolutezero

B.0°C

C.0°F

D.100K

MCQ3:Specificheatofaluminumwhen26400Jofenergyissuppliedto2kgblockandit'stemperaturerisesfrom20°Cto35°Cis

A.1000Jkg-1K-1

B.70Jkg-1K-1

C.400Jkg-1K-1

D.880Jkg-1K-1

MCQ4:Oncompression,thegatgetshotterdueto

A.increaseinkineticenergy

B.decreaseinkineticenergy

C.increaseinpotentialenergy

D.increaseinatomiccollisions

MCQ 5: If there is no transfer of energy between two objects then theirtemperatureis

A.same

B.different

C.zero

D.infinite

MCQ6:Averagekineticenergyofgasmoleculesisproportionalto

A.internalenergy

B.thermodynamictemperature

C.enthalpy

D.condensationpoint

MCQ7:Celsiusscaleisbasedonpropertiesof

A.Mercury

B.Aluminum

C.Cesium

D.Water

MCQ8:Energyrequiredperunitmassofsubstancetoraisetemperatureofthatsubstanceby1Kiscalled

A.enthalpy

B.internalenergy

C.specificheatcapacity

D.temperature

MCQ9:Measureofaveragekineticenergyofmoleculesis

A.temperature

B.energy

C.internalenergy

D.enthalpy

MCQ10:Energyofmoleculesofanysubstanceisknownas

A.kineticenergy

B.potentialenergy

C.internalenergy

D.chemicalenergy

MCQ11:Duetoevaporationfromcertainsurface,it'stemperature

A.falls

B.increases

C.doesn'tchange

D.becomeszero

MCQ12:Changeofliquidintogaswithoutboilingiscalled

A.vaporization

B.sublimation

C.boiling

D.evaporation

MCQ13:Onheatingasolid,astheseparationofatomsincreasesthepotentialenergy

A.decreases

B.remainsconstant

C.increases

D.becomeszero

MCQ14:Temperaturecan'tbelowerthan

A.0°C

B.0°F

C.0K

D.0°R

MCQ15:Whenasubstanceismelted,it'stemperaturedoesn'trisebecause

A.energyislostsomewhere

B.energyisusedtobreakthebonds

C.energyisusedtomakebonds

D.energyisabsorbedtomakebonds

AnswersKey:

1.D2.A

3.D4.A5.A6.B7.D8.C9.A10.C11.A12.D13.C14.C15.B

Chapter32

Work,EnergyandPowerMCQs

MCQ1:Astheobjectgainsspeed,it'sG.P.E(GravitationalPotentialEnergy)

A.increases

B.remainsconstant

C.decreases

D.variesdependingonaltitude

MCQ2:IfenergylossiszerothendecreaseinG.P.Eisequalto

A.decreasesinkineticenergy

B.gaininkineticenergy

C.constantkineticenergy

D.zerokineticenergy

MCQ3:Averagepowerofallactivitiesofourbodyis

A.111W

B.113W

C.116W

D.120W

MCQ4:Energyobjectpossessesduetoit'spositioniscalled

A.kineticenergy

B.mechanicalenergy

C.potentialenergy

D.chemicalenergy

MCQ5:ChangeinG.P.Ecanbewrittenas

A.mgh

B.mh

C.mg

D.gh

MCQ6:Efficiencyofcarengineisonlyabout

A.10%

B.20%

C.30%

D.80%

MCQ7:Workisdefinedas

A.F×S

B.F×a

C.m×a

D.F×m

MCQ8:Energytransferredtostoneofweight10Nfallingfromtopof250mhighcliffis

A.25000J

B.250000J

C.2500J

D.250J

MCQ9:Ifforceof1Nmovesanobjectthrough1m,thenworkdoneis

A.2J

B.1J

C.3J

D.4J

MCQ10:SIunitsforenergyandworkare

A.Joulesandkg

B.Joulesandmeter

C.Joulesandnewton

D.Joules

MCQ11:Iftheballisthrownupwards,theenergychangingsare

A.K.EchangestoG.P.E

B.G.P.EchangestoK.E

C.K.Echangestomechanicalenergy

D.mechanicalenergychangestoK.E

MCQ12:1Wisequalto

A.10Js-1

B.1Js

C.1Js-1

D.100Js

MCQ13:Workdonebyforceofgravityonasatelliteof500Natheightis

A.0J

B.1J

C.2J

D.3J

MCQ14:Rateofdoingworkiscalled

A.power

B.energy

C.velocity

D.force

MCQ15:Aweight-lifterraisesweightswithamassof200kgfromthegroundtoaheightof1.5m,theincreaseintheirG.P.Eis

A.1962J

B.2940J

C.800J

D.1000J

AnswersKey:

1.D2.B3.C4.C

5.A6.B7.A8.C9.B10.D11.A12.C13.A14.A15.B