8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
1/24
VanithaTV GUIDE education & SR Inter - Maths Physics
Page No !
SENI"R INTER P#$SICS
IMP"RT%NT UESTI"N '%N( 'y Srigayatri
P#$SICS
')UE PRINITUnits Name o* the cha+ter ,eightage
mars ,a.e Motion /0
I. Ray o+tics and o+tica1 Instruments /2
P h y s i c a 1 o + t ic s / 2
II. Magnetism /3
E 1 ectr o s t a t ics / 3
C u r r e n t e 1e ctr ic i ty / 0
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
2/24
VanithaTV GUIDE education & SR Inter - Maths Physics
Page No 4
IV. E1ectro magnetics !4
III Thermo-e1ectricity /2
%tomic +hysics /3
V Nuc1ear +hysics /0Semi-conductor de.ices /0
Communication systems /4
Tota1 mars 53
UESTI"N '%N( %N%)$SISSN"
N%ME "6 T#E )% S%
C#%PTER 777 77 7 777 77 7VS% PR"')EMS
! ,%VEM"TI"N 8 ! - 8 9 ! !8 !4
4 R%$ "PTICS - - - 5 4 9 !5 8
9 P#$SIC%) "PTICS - - - 3 4 - 5 !
2 M%GNETISM - - - 2 9 4 : 2
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
3/24
VanithaTV GUIDE education & SR Inter - Maths Physics
Page No 9
8 E)ECTR"ST%TICS - - - 8 4 ! !2 8
3CURRENT
E)ECTRICIT$4 9 - ! 4 - : 4
5T#ERM"
E)ECTRICIT$- - - 2 - - ! 4
0E)ECTR"
M%GNETICS8 - ! 9 9 - : 8
: %T"MIC P#$SICS - - - 2 ! - 3 4
!/ NUC)E%R P#$SICS ! ! - 9 4 2 5 !
!!SEMI C"NDUCT"R
DEVICES4 - - 9 4 ! 2 !
!4C"MMUNIC%TI"N
S$STEMS- - - - - - 8 -
SU' T"T%) !8 8 ! 28 44 !4 !/9 2/
T"T%) 4! 5: !/9 2/
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
4/24
, % VEM"TI"N )"NG %NS,ER UESTI"NS
1***. Explain the formation of stationary waves in stretched strings and hence deduce thelaws of transverse waves in stretched string ;Mar< 4//:=
2***. State laws of transverse vibrations in stretched strings. Explain how do you verifythem using sonometer. ;Mar< 4//8< 4//5=
***. !hat are "#armonics$ and %vertones$& #ow are they formed in an open pipe&'erive the e(uations for the fre(uencies of the harmonics produced in an open
pipe. )***.!hat are harmonics& #ow are stationary waves formed in a closed pipe&Explian the various modes of vibrations in a closed pipe and establish the relation between
their fre(uencies& ; May< 4//:=
***. !hat is 'oppler effect& +ind an expression for the apparent fre(uency heard whenthe source is in motion and the listener is at rest. !hat is the limitation of 'oppler effect& ;M 4//3=
,**. !hat is 'oppler-s shift& 'erive an expression for the apparent fre(uency heard bya moving listener when the source of sound is at rest. !hat is the effect of themovingmedium on the 'oppler effect
S#"RT %NS,ER UESTI"NS1***. !hat are beats& Explain the importance of
beats. 2***. !hat are applications of 'opplerEffect-&***. 'efine "/bsorption coefficient$ and 0everberation time$. State and explain
Sabine-s formula for reverberation time in a closed auditorium. ;Mar<4//0=
)***. 'efine an echo. !hat is the minimum distance re(uired to form an echo. !rite itsapplication ;Mar< 4//3=
***. !rite the condition for the construction of good auditoria.
,**. Explain the reflection of waves at closed and open ends.**. Explain the characteristics of a sound note.**. !hat is 0esonance& Explain with an example.3*. !hat is 'oppler effect& 'erive an expression for the apparent fre(uency of a note4
when source of sound and observer are approaching each other.R % $
"PTICS S#"RT %NS,ERUESTI"NS
15***. !hat is total internal reflection& State the conditions to be fulfilled for total internalreflection
11***. 'escribe the construction and wor6ing of an optical fibre. Sate its uses. ;M/3< /0=12***. 'istinguish between an astronomical telescope and a terrestrial telescope.1***. 'escribe 0ams dens- eye piece with the help of a neat s6etch. Explain its
advantages and disadvantages ;Mar< 4//:< 4//5=1)***. 'escribe #uygens eye piece with the help of a neat s6etch. Explain its advantages
and disadvantages.1***. !hat are pure and impure spectra. State the conditions to produce a pure spectrum.1,***. !ith the help of a ray diagram4 illustrate the formation of the final image of anob7ect in
a compound microscope. 'erive an expression for its magnifying
power. 1**. !hat are lens aberrations& 8ive reasons for them.
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
5/24
1**. Explain the wor6ing of a simple microscope and find an expression for itsmagnifying power.
13*. !hat is dispersion& 'efine a physical (uantity which depends only on the materialof the prism for its dispersion. %btain an expression for it.
25*. State the significance of emission and absorption spectra.21*. 'erive the expression for refractive index of material of the prism.
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
6/24
P#$SIC%) "PTICSS#"RT %NS,ER UESTI"NS
22***. !rite about the main features in which +raunhoffer and +resnel approaches ofdiffraction
differ&2***. 9ention some :at least four; applications of diffraction ;March< 4//5< 4//8=2)***. !hat the applications of polariara and +erromagnetisms in matter.***. 'erive an expression for the magnetic induction at a point on the axial line of a
bar magnet. ;March< 4//:=)**. 'erive an expression for the magnetic induction at a point on the e(uatorial line of
a bar magnet.*. Explain tan / and tan ?- positions of a deflection magnetometer. ;March< 4//:=,**. Explain the theory to determine magnetic moment of a bar magnet and #ori
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
7/24
:ii; / point on the surface of the shell and :iii; / point inside theshell. ),*. State and explain Aoulombs law. 'erive it from 8auss law.
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
8/24
CURRENT E)ECTRICIT$)"NG %NS,ER UESTI"NS
***. State and explain Birchhoff-s law in electricity and apply them to !heatstone bridge
to obtain its balancing condition ;Mar< 4//0< 4//3=***. Explain the principle of meter bridge. 'escribe an experiment for the determination
of un6nown resistance of a wire.3**. 'efine electric current4 drift velocity and mobility of charge carriers in a conductor.
'erive the relation between electric current and drift velocity of charge carriers in aconductor.15**. Explain the principle of potentiometer. 'escribe an experiment for the comparison
of emf-s of two cells.11**. 'escribe the construction and principle of potentiometer and explain how theinternal
resistance of a cell is determined using potentiometer.S#"RT %NS,ER UESTI"NS
)***. !rite short notes on thermistor.)**. !rite short notes on bac6 emf and internal resistance of a cell ;May< 4//:=
)3**. State and explain %hm-s law. 'efine %hm.T#ERM" E)ECTRICIT$S#"RT %NS,ER UESTI"NS
5***. !rite short notes on the wor6ing of a thermopile.1***. Explain construction and wor6ing of 'ud dell-s thermo galvanometer.2***. what is seebec6 effect. Explain how thermo emf varies with temperature in a
thermocouple4 define neutral and invertion temperature.***. !hat are >eltier and @homson effects& 'efine their coefficients ;March< 4//:=
E)ECTR" M%GNETISM)"NG %NS,ER UESTI"NS
12***. %btain an expression for the tor(ue on a loop placed in a uniform magnetic filed.'escribe the construction and wor6ing of moving coil galvanometer&;M/3< /:< May< 4//3< May< 4//:=
1***. 'escribe the growth and decay of current in an inductance4 resistance circuit. #owthe
growth and decay are affected with different values of inductance discuss& ;M/5=1)***. #ow is a galvanometer converted into an ammeter& !hy parallel resistance is
smaller than galvanometer resistance& Explain ;March< 4//8=1***. 'escribe the growth and decay of current in resistance4 capacitance circuit& 'efine
time constant. ;March< 4//5=
1,***. #ow is a galvanometer converted in to a voltmeter& !hy series resistance is greater than galvanometer resistance& Explain ;March< 4//8=
1*. %btain an expression for impedance and current in series CA0 circuit. 'educean expression for the resonating fre(uency of an CA0 series resonating circuit.S#"RT %NS,ER UESTI"NS
)***. State and explain Cen
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
9/24
**. State the principle on which a transformer wor6s. 'escribe the wor6ing of atransformer with necessary theory. 9ention its uses. ;May< 4//3=
**. State and explain ?ioDSavart law.3**. Explain instantaneous4 maximum4 and rms values of a current.
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
10/24
% T "MIC P#$SICSS#"RT %NS,ER UESTI"NS
,5***. !hat is 9oseley-s law& 'iscuss briefly its importance. ;March< 4//8=,1***. 'escribe the origin of Dray spectra. Explian continuous and characteristic xDray
spectrum ;March< 4//5=,2***. 'efine specific charge& 'escribe @homson-s experiment to determine eFm of an
electron with relevant theory. ;May 4//3< Mar 4//0=,***. !hat is photo electric effect& 9ention the laws of photoelectric effect. Explain
these laws using Einstein-s e(uation of photo electric effect& ;Mar 4//8< 4//:=,)**. 8ive the applications of photoelectric cells.NUC)E%R P#$SICS
)"NG %NS,ER UESTI"NS1***. Explain the principle and wor6ing of a nuclear reactor with the help of a labeled
diagram ;Mar /:=13**. 'efine binding energy. #ow does binding energy per nucleon vary with massnumber&
!hat is it significance.S#"RT %NS,ER UESTI"NS
,***. !hat are mass defect and binding energy& #ow is mass defect related to binding
energy& ;March< 4//3< May< 4//:=,,***. 'efine the term decay constant- for a radioactive substance. 'educe the relation
between decay constant and half life period. ;May< 4//:=,***. Explain the source of stellar energy. Explain the carbonDnitrogen cycle and
protonD proton cycle occurring in stars. ;Mar 4//3< 4//5=,**. !rite a note on ?reeder reactor-.,3**. !rite a short note on the discovery of neutron.5* 9ention the uses of radioisotopes. ;Mar 4//0=1*. !hat is nuclear fission& Explain li(uid drop model of nuclear fission&*2*.
'ifference between nuclear fusion and nuclear fission.
*. State the properties of α 4 β 4γ ray.SEMI C"NDUCT"RS
)"NG %NS,ER UESTI"NS25***. !hat is rectifier& Explain wor6ing of half wave and full wave rectifiers with
diagrams 9ention the expression for its efficiency& ;Mar 4//:< 4//8< 4//5=21***. 'escribe a transistor and explain its wor6ing. ;Mar 4//0=
S#"RT %NS,ER UESTI"NS)***. Explain the operation of G%@ gate and give its truth table.***. !hat is a Hener diode& Explain how it is used as voltage regulator,***. 'efine G/G' and G%0 gates. 8ive their truth tables.
** 'iscuss the behaviour of a pDn 7unction. #ow does a potential barrier develop atthe 7unction.
**. !hat is a 7unction diode. Explain the formation of depletion layer at the 7unction.Explain the variation of depletion layer in forward and reverse biased condition.
3* 'raw and explain the currentDvoltage :IDV; characteristic curves if a 7unction diodein forward and reverse bias.
VER$ S#"RT %NS,ER UESTI"NS, % VE
M"TI"N1. !hat is the phase difference between incident and reflected waves at a; an open
end and b; closed end&
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
11/24
2. !hat happens to the fundamental fre(uency of a stretched string when its lineardensity becomes1F)thof its initial value& ;Mar 4//3-4//5=
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
12/24
. !hat is the ratio of the fre(uencies of harmonics in an air column of same length ina; a closed pipe and b; an open pipe
). 9ention any two applications of beats.. !hat are "+ocusing$ and "Echelon effects$&,. !hat do you mean by reverberation time an auditorium. !hat is sound absorber. 8ive two examples for good absorbers. ;Mar 4//3=. @he length of a wire vibrating with a fre(uency of )5 #< is 1m . It its length
is changed to 1., m4 find the fre(uency.
3. Game any two musical instruments whose wor6ing depends on transverse vibrationsof a string ;M 4//0=15. !hat is reverberation& !ho is the founder of architectural acoustics&
;M/8< May 4//3=11. !hat is Gewton-s formula for velocity of sound in a gas& #ow is it corrected
by Caplace&12. !hat is "End correction$ in resonating air column&1. !hat happens to the fre(uency of a tuning for6 a; !hen it is loaded with a little
wax and b; !hen it is filed&1). !hat is "/bsorption coefficient$& which is a better absorber of sound4 glass or fibre
glass&1. !hat is the ratio of the fre(uency of fourth overtone to the fundamentalfre(uency of a stretched string&
R % $ "PTICS1,. 8iven the ratio of velocities of two light waves traveled in vacuum and having
wave lengths 555/o and ,555/o.
1. !hy do diamonds spar6le&1. !hat is normal ad7ustment of a telescope& In !hat way it is better&13. !hat is the use of erecting lens in a terrestrial telescope& !hat is its magnification&25. !hat are the advantages of 0ams den-s eyepiece&
21. !hat are the demerits of #uygens- eyepiece&22. @he angles of deviations for violet and red colors of a crown prism are .2o and
.1o
respectively. +ind the dispersive power of the prism& ;Mar 4//8=2. @he measurements ta6en in 0amdesns eyepiece more worthy :reliable; than
#uygens eyepiece. !hy& ;Mar 4//3=2). 'efine critical angle. 9ention its relationship with refractive index. ;M/5< May
4//3=2. If the refractive index of a medium is 1.4 find the critical angle.2,. !rite the difference between microscope and telescope. ;May 4//:=
2. 9ention the types of chromatic aberration ;Mar 4//0=2. !hat are +raunhoffer lines& Explain their origin.23. State and explain #uygens- principle.5. State the conse(uences of total internal reflection.1. !hat is an optical fiber& State its principle.2. Aan we minimi
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
13/24
). If =oung- two slit interference experiment is done with white light what would be observed&
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
14/24
. If a polari
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
15/24
potential at point > (2m4 2m) .
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
16/24
. +ind the
. 1A of charge is e(ual to the charge of n number of electrons in magnitude. !hat isthe value of n&
3. !hat happens to the force between two charges if the distance between them is a;halved b; doubled&
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
17/24
,5. / charge ( of mass m starting from rest is allowed to move between two plateshaving a potential difference of V volt. !hat is the final velocity of it&
,1. 0epulsion is the sure test of electrification than attraction. !hy&,2. !rite down the uses of capacitors&
CURRENT E)ECTRICIT$,. !hat are ohmic and non ohmic devices& 8ive examples,). @he manganin wire is used in the preparation of standard resistances. !hy&,. #ow many electrons flow through a wire when 1/ current passes for 1 millisecond&
;May 4//3=,,. !rite two differences between emf and p.d. ;Mar 4//8=,. !hich of two4 namely voltmeter and potentiometer is preferable to measure the
emf of a batter& !hy&,. !hen is the series combination of cells advantageous and why& ;Mar 4//3=,3. !hen is the parallel combination of cells advantageous and why& ;Mar 4//:=5. !hat is internal resistance of a cell& !rite the value of internal resistance of an ideal
cell.;May 4//:=
1. !hat is the specific resistance of material of a conductor.
9ention its units. ;M/8= T#ERM" E)ECTRICIT$2. !hat are thermoelectric refrigerators&E)ECTR" M%GNETISM
. !hat is the force on a conductor of length l carrying current -i- when it issituated in a magnetic field of induction ?& !hen is it maximum& ;Mar 4//5=
). State +leming-s left hand rule.. 'efine coefficient of self induction4 coefficient of mutual induction.,. !hat type of transformer is used in a bed lamp.. !hat is transformer ratio&
. / current of 2/ is passed through a coil of 1555 turns to produce a flux of 5.µwb .
Aalculate the self inductance of the coil ;Mar 4//0=3. @he current in a coil changes of / to 15/ in 15D2 s. @hen an emf of 5 mill volts is
induced in a coil neat it. Aalculate the mutual inductance of the coil ;Mar 4//:=5. / coil of area 155 cm2 having 55 turns carries a current of 1m/. It is suspended in
a uniform magnetic field of induction 15D !bmD2. Its plane ma6es an angle of ,55
withthe lines of induction. +ind the tor(ue acting on the coil.
1. / stepDup transformer wor6s on 225V and gives 2/ to an external resistor. @heturn ratio between the primary and secondary coils is 2 J 2./ssuming 155Kefficiency4
find the secondary voltage. >rimary current and power delivered.% T "MIC P#$SICS
2. !hat is wor6 function of a metal ;March< 4//3=. !hat is Aompton effect&). If a proton and an electron have same de ?roglie wavelength4 which has more
momentum and 6inetic energy& ;March< 4//0=. Is photon a wave or a particle& !hat is its rest mass&,. Aan Dray produce photoelectric effect& Aalculate the wor6 function of a metal
production photo electrons with Drays of wavelength 1/o
. !hat is the e(uation of wavelength associated with a moving particle&
NUC)E%R P#$SICS
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
18/24
. 8ive two important characteristics of nuclear forces&3. Geutrons are the best pro7ectiles of produce nuclear reactions. !hy&35. State any two properties of neutron. ;March< 4//0=
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
19/24
31. !hat is thermal neutron& !hat is its importance&
32. !hat is annihilation of matter& 8iven an example3. !hat are isotopes and isobars
3). !hat will be the ratio of the radii of two nuclei of mass numbers /1
and /2
SEMI C"NDUCT"RS3. !hat are the ma7ority and minority charge carriers in a pDtype semi conductor&
;M/0=3,. #ow is a battery connected to a 7unction diode in 1; forward and 2; reverseDbias&
3. !hich gates are called universal gates&3. 'raw the circuit symbols of pDnDp and nDpDn transistor.C"MMUNIC % TI"N S$STEMS
33. !hat are the basic bloc6s of communication system&155. !hat is s6y wave propagation&151. 'efine modulation. !hy is it necessary& ;March< 4//:=152. !hat is "!orld !ide !eb$ :!!!;&15. 9ention the fre(uency range of speech signals.
PR"')EMST#REE ST%R UESTI"NS
, % VEM"TI"N
1. @wo sound waves of lengths 3 and 15 meters produce ) beats in 3 seconds.+ind the velocity of sound.
2. @wo tuning for6s give ) beats per second when sounded simultaneously. @hefre(uency of one of the for6s is ) #
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
20/24
15. >rogressive transverse wave is given by the e(uation
:i; amplitude :ii; fre(uency :iii; velocity and :iv; wave
length.
. +ind its
11. @wo wires are fixed on a sonometer wire. @heir tensions are in the ratio J 14the lengths in the ratio , J 4 the diameters in the ratio ) J1 and densities in theratio 1J 2.If the string of higher pitch has a fre(uency of ,5 #< calculate the fre(uency of theother string.
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
21/24
12. / rectangular class room of volume 25 x 1 x 15m has a surface whose averageabsorption coefficient is 5.5 metric Sabine. Aalculate the time of reverberationof the room. !hen a material of area 155 m2 is brought into the room4 thereverberation time falls to 2. seconds. Aalculate the absorption coefficient of thematerial&
R % $ "PTICS1. / prism of refracting angle )o is made of material of refractive index 1.,2. +ind its
angle of minimum deviation.1). +ind the critical angle of a denser medium of refractive index 1., for its interface
with air.1. @he focal length of a converging lens is cm. +ind its magnifying power when it is
used as a reading lens to form the image at near point.1,. @he refractive indices of flint glass prism for A4' and + lines are 1.35 4 1.3 and
1.5 respectively. +ind the dispersive power of the flint glass prism.1. @he refractive index of the material of a plane concave lens is 15F,. +ind its focal
length in air and in water as its radius of curvature is 5.m. @he refractive indexof water with respect to air is )F. ;March< 4//3=
P#$SIC%) "PTICS
1. /n un polari
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
22/24
plate area to have a capacitance of 2p+& :ta6e
εo
= .*×15−12
A2 G
−1m
−2 ;
2. @wo point charges of magnitude
,µc 4
are separated by a certain distance in air
the
force between them is 2G. +ind the force between them if a; the distance between them is increased by times b; the distance between them isdecreased by times.
CURRENT E)ECTRICIT$2. +ind the balance length in a meter bridge4 if the resistance in the left and right gaps is
inthe ratio of 2J . ;March< 4//5=
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
23/24
23. / wire of resistance 15 ohm is elongated by 15K. +ind the resistance of theelongated wire. :hintJ when the same wire is elongated4 the volume of the wireremains constant ;
T#ERM" E)ECTRICIT$5. @he neutral temperature of a thermocouple is 15oA. !hat is the temperature of
inversion when the cold 7unction at 25oA& ;Mar 4//0< 4//5=1. @he temperature of inversion of ironD copper thermocouple is 35oA and cold
7unction temperature is 5oA. !hat is the neutral temperature&
E)ECTR" M%GNETISM2. / long straight conductor carrying a current of 2/ is in parallel to another
conductor of length cm and carrying a current /. @hey are separated by adistance of 15cm..Aalculate a; ? due to first conductor at second conductor b; @he force on theshort conductor
. / coil of area 155 cm2 having 55 turns carries a current of 1m/. It is suspended inauniform magnetic field of induction 15D !bmD2. Its plane ma6es an angle of ,5o
with the lines of induction. +ind the tor(ue acting on the coil.
). @he resistance of galvanometeris
. / shuntof
is connected to it. If the main
current is 15D2/4 what is the current flowing through the galvanometer&. / wire of 15cm length is placed in a uniform magnetic field of induction 5.52@
ma6ing4 an angle of 5o with it. If / of current flows through it calculate forceacting on it
;M/3=,. @wo un6nown resistances > and O are connected in left and right gaps of a meter
bridge and balancing point is obtained at ,5cm from the left. !hena
resistance
is connected in parallel to > the balance point is at 5cm . Aalculate > and O;May< 4//:=
%T"MIC P#$SICS
. !or6 function of a metal is .5eV. It is135
26Ω35+53ΩeµΩ/
by a light of
wavelength x 15D m.Aalculate the maximum energy of the electron.
. +ind the momentum of an electron having wavelength 2/ : h N ,.,2 x 15D) Ps; ;M/3=
3. +ind the binding energy
of
NUC)E%R P#$SICS
. /tomic mass of +e is .3)3 u and that of
hydrogen
is 1.555 u. 9ass of neutron is 1.55, u.
SEMI C"NDUCT"RS
)5. In a transistor circuit the base current changes from 5µ/
to
. @he corresponding
i2l,luminat
8/9/2019 152094867 Sr Physics Chapter Wise Important Questions (1)
24/24
change in the collector current is from 5.2m/ to ).2 m/. +ind the current gain.