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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level
PHYSICS 5054/12
Paper 1 Multiple Choice May/June 2011
1 hour
Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended)
READ THESE INSTRUCTIONS FIRST
Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you.
There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet.
Read the instructions on the Answer Sheet very carefully.
Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet.
This document consists of 15 printed pages and 1 blank page.
A st'udent finds the centre of mass of a triangular lamina PQR.
He drills a small hole at Q. He suspends the lamina from a pin through the hole at Q so that the lamina swings freely. He then hangs a plumb-line from the pin at Q, as shown. He marks the position of the plumb-line on the lamina.
Q
R
P
To determine the location of the centre of mass, the student then repeats the experiment but with one change.
What is the change?
A He suspends the lamina from the hole at Q, with R on the left and P on the right.
B He suspends the lamina from a pin through a hole at R.
C He uses a heavier weight on the plumb-line.
D He uses a longer plumb-line.
10 The diagram represents parts of a power station.
L-co_a_l-f_ir_e_d_bo_ile_r--J ---illo~ I turbine I-----;lllo~ electricity generator
What is the order of the energy changes taking place?
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level
CANDIDATE NAME
CENTRE CANDIDATE NUMBER NUMBERLLIII I I I I I I
* "' IJ\ PHYSICS 5054/22
: Paper 2 Theory May/June 2011
(jl 1 hour 45 minutes 0= {j1 Candidates answer on the Question Paper.
~ No Additional Materials are required. N
* READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES.
Section A Answer all questions. Write your answers in the spaces provided on the Question Paper.
Section B Answer any two questions. Write your answers in the spaces provided on the Question Paper.
You may lose marks if you do not show your working or if you do not use appropriate units.
At the end of the examination, fasten all your work securely together. The number of marks is giv~n in brackets [ 1at the end of each question or part question.
This document consists of 15 printed pages and 1 blank page .
• UNIVERSITY of CAMBRIDGE ...~~~'.... International Examinations
Answer all the questions in this section. Answer in the spaces provided.
1 A student wishes to find the density of a stone. He uses a measuring cylinder and a spring balance with a scale marked in newtons. The measuring cylinder, spring balance and stone are shown in Fig. 1.1.
thread cm3
-100 0 0
-90 stone -80 1 -70 N 2 -60
3-50 -40 4 -30 -20 -10
Fig. 1.1 , .iJ Olf
The student knows that the gravitational field strength is 10 N / kg. oil ~1n
(a) Describe how the student uses the spring balance to find the mass of the stone. ~f;( c~'jji
0'11 (b) Describe how the student uses the measuring cylinder to find the volume of the stone. enl
cu CII en ~TI CII CII
.............................. , ................................................................................................................ [2] CLi1 en
(c) The mass of the stone is 150g and its volume is 70cm3 . 611 CIICalculate the density of the stone. Cil CI CI ojCJ CI
density of stone = ............................................... [1] CI CI CJ(d) The stone is taken to another place, where the gravitational field strength is less than 01
10 N / kg. State how this affects the mass and the weight of the stone. CI CI
mass ........................................................................................................................................ . 6J CI
weight CI CI[1 ]
CI l!.UCLES 2011 5054/22/M/J/11 C'i.-I
C.I
Cl
IE • 4LI:58971 03 • 7:
II=~
C):r ~: 1111111111111111111111111111111111111111111111111111111 ~: Fig. 2.1 illustrates the journey of a cyclist frdm point A to point B. Points A and B are at the same 2 ~: ~: height. ~: r>: >
Fig. 2.1 IE IE IE The cyclist starts from rest at A and pedals up and over a hill. Near the bottom of the hill, she IE starts to brake and comes to rest at B. IE ~ E (a) Describe the energy changes that take place as she pedals up the hill at constant speed. E E E E E E E ............................................................................................................................................... [3] E E (b) Explain how the law of conservation of energy applies to the complete journey from A to B. E E E E E E E ............................................................................................................................................... [1 ] E E (c) At one point in the journey, the gravitational potential energy of the cyclist has increased by E 5400 J. The mass of the cyclist is 60 kg. The gravitational field strength is 10 N / kg. E E
Calculate the height above A of the cyclist at this point. E E E E E E E'e! .~
g, height above A = ................................................ [2) E'Ii; :~ E\
(b) (i) A bubble of gas rises from the bottom of a lake to the surface. The pressure at the bottom of the lake is 3.0 x 105 Pa and the pressure at the surface is 1.0 x 105 Pa. The volume of the bubble at the bottom of the lake is 2.0 cm3 .
Calculate the volume of the bubble at the surface.
~~ 4 Fig. 4.'1 shows circular wavefronts produced at the centre of a drcular ripple tank
cork A ): ~:
)::l- oIE
---+-r-------cork BIE IE IE IE IE IE IE IE Fig. 4.1 IE IE Two corks, A and B, float on the water in the ripple tank. They move up and down on the surface ofIE the water as the wave passes. The wavelength of the wave is 8.0 cm. IE IE
Fig. 4.2 shows how the displacement of A varies with time. IE IE IE +2IE IE displacement
Imm O+-------~------~------~-------r------~IE o 5IE IE -21IE
Fig. 4.2 IE IE E (a) State the amplitude of the vibrations of A as the wave passes. E E amplitude = ......................................................... [1]E E
(b) The horizontal distance between A and B is half the wavelength of the wave. ,E IE iE On Fig. 4.2, sketch a graph to show how the displacement of B varies with time. [2] IE IE (c) (i) Use Fig. 4.2 to determine the frequency of the wave. IE IE IE IE IE f'i= 1'1:; frequency =......................................................... [2] (~IE (ii) The distance between the centre of the ripple tank and its edge is 40cm.WE i~E
Determine the time taken by a wavefront to travel from the centre of the tank to the l'E edge.
~~ lE lEtE[f= IE [E time = .................................................................. [2]
lE Ii[" ~UCLES2011 5054/22/M/J/11 [TUrnOV~IE j";';""
rr~\El<* 428897106 * :,.:-----;;:
6 .~~ E~~lllllllllllllllllllillllllllllllllllllllllllllllllllll II €~
C~5 Fig. 5.1 shows part of a low-voltage lighting circuit. (~ G~12V CE
--------~O o~-------- U:;:'-::
C.. C~ €2 G G c G o c 8.. Q c p ec c e C F G)... c c
Fig. 5.1 €> C'
The power supply voltage is 12V. c G.
(a) On Fig. 5.1, complete the circuit, adding components as necessary, so that: c c §:•.• the total current in the circuit can be measured, c;
• lamp A is on all the time, c • lamps Band C are in series with each other and are switched on or off together. c..
[3J ¢> c
(b) All the lamps are on. The potential difference (p.d.) across lamp B is 8.0V and the current in c lamp B is 50 mA. c
c c(i) Calculate the resistance of lamp B. c c c c c c cresistance = ........................................................ [2] c c C
(ii) State the current in lamp C. c c c ccurrent =............................................................. [1] c c c c c c c c~UCLES2011 5054/22/M/J/11 c c
6 The cable from the mains plug to'a washing machine contains a live wire, a neutral wire and an earth wire. The earth wire is connected to the metal case of the washing machine.
(a) Explain how connecting the earth wire to the metal case makes the washing machine safer.
(b) When in use, the average input power to the washing machine is 500W. IE: IE: IE Calculate the number of kW h of energy used by the washing machine in 45 minutes of use. IE IE IE IE' IE IE IE number of kW h = ................................................ [2] IE IE IE IE IE IE IE IE IE I~ IE IE IE IE IE IE IE IE IE IE IE IE IE I'~ IE IE IE IE LE' LE IE I,E IE IE IE IE E E E E E ~' ~UCLES 2011 5054/22/M/J/11
CIf GtE ~lJG'.rI C IE Gil Ern elf (5"11 CII C>II CII (;1 I CII ell CII Cil ell CI.I Gil CII Gil eli CI' CI CI CI CIl.!.UCLES 2011 5054/22/M/J/11 CI CI
I
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8 Fig. 8.1 illustrates the process that occurs in the core of a nuclear r'eactor.
daughter nucleus
E E E E neutronE E E 5; E E E E' E. El E E E E E
uranium-235 nucleus
Fig. 8.1
(a) State the name of the process illustrated in Fig. 8.1. E E
............................................................................................................................................... [1] E E E (b) Describe what happens during this process. E E E E E E
............................................................................................................................................... [2] E E E (c) Some of the waste from a nuclear reactor is radioactive with a long half-life. E E Explain what is meant by E E
(i) radioactive,E E E E' E ....................................................................................................................................... [1] E E (ii) a long half-life. E E E E E ....................................................................................................................................... [2] E !;' E E E E E E ~UCLES2011 5054/22/M/J/11 [TUrnOV~E
Answer two questions from this section. Answer in the spaces provided.
Fig. 9.1 shows a sky-diver falling vertically.
Fig. 9.1
The sky-diver starts from rest at time t = o. His acceleration is non-uniform until he reaches a steady speed of 50m/s at t= 10s. He opens his parachute at t = 20 s and decelerates until t = 25 s. From t = 25 s he falls at a steady speed of 5 m Is.
(a) (i) On Fig. 9.2, draw the speed-time graph for the sky-diver. [4]
.f---l
speed mls
40
i-T
I
i+ -j
-j
+
fi 1
l
i
[ 1
o o 5 10 15
Fig. 9.2
20 +
25 30 tis
35
(ii) State how your t ::= 0 and t =10 s .
graph shows that the acceleration is non-uniform between
1111111 1IIIi 1111111111111111111111111111111111111111111 ~~:COl:10 (a) Describe an experiment to measure the critical angle for light in glass 6r perspex. ,,:1::,}if- : (~:
Your answer should include a labe"ed diagram. d~; (0:: ~ ·,S'(f-:
,c;:~~co!Q,
enq:JE <kIEotEerE q'lECUE ¢.jEC'fE eiE 6!IE elf parE€IE d"!'E e.:1EenIf"·,,.,O·,I,E
~l:E q\F~€lIEbteelE Pif GI! eii eu ,~n9,1!ell (;]j
............................................................................................................................................... [5] €J.! GIl 0,11 ellell Gil bTl C1~ (::';'I! qf CI 91 61 QICJ Cf Cf cl Cf 0.1 Cf GI Cf Cf
14 §6~ 111111111111111111111111111111111111111111111111111111 (£~ I <1~11 (a) In an experiment to measure the specific heat capacity of water, an electric heater heats 'JCfwater in a glass beaker. The temperature of the water is measured at regular intervals of time. G~
Fig. 11.1 shows how the temperature varies with time t. G~ (zQ ,. =::
, Cfrt+ rt+ ( I .+ r C:.
100 q~>T T CI
temperature iT L ~ (~I
JOC Y
81 - oJ
80 I 01
- t 0J CJ
T E;j I j- , , CC!60 CI
, ~ d:>1r dl
H- ojI -r-+ 0140 I $'1t-
p OJ (:1
r (}] 8120 CIo 100 200 300
tis 81 enFig. 11.1 Ci C!
(i) Use Fig. 11.1 to determine the change in temperature between C. C
t= 0 and t= 100s, c change =................................................................ . o
C Ct= 100s and t= 200s. ·0"change = ................................................................ .
[1 J (; C
c (ii) State and explain why the values in (i) are different. b
C c c o c e
....................................................................................................................................... [2J o c
(iii) Describe and explain what happens to the water if the heating is continued. c; c c C c: C (;
....................................................................................................................................... [2] C C c (
(b1 (i) The experiment in (a) is repeated using 72 g of water. The heater supplies 7400 J of thermal energy (heat) to the water and the temperature rise of the water is 23°C.
Calculate the specific heat capacity of water.
specific heat capacity = ..................... , ................ [21
(ii) A bullet of mass 72 g is fired from a gun at a speed of 450 m / s.
Calculate the kinetic energy of the bullet.
energy = ............................................................. [3]
(iii) The amount of internal energy gained by the water and the amount of kinetic energy gained by the bullet are approximately equal.
Describe the change in the motion of the molecules of the water and of the molecules of the bullet that this addition of energy has caused.
(c) A thermocouple is used in the experiment in (a). In the space below, draw a labelled diagram of a thermocouple thermometer. Show clearly the part of the thermocouple that is placed in the water in this experiment.
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level
CANDIDATE NAME
CENTRE CANDIDATE NUMBER NUMBERI I I I I I I I I I
, N_o PHYSICS 5054/42
:J_ Paper 4 Alternative to Practical May/June 2011 \0
1 hourffi--= (J1
D- Candidates answer on the Question Paper. --.l_ N_ No Additional Materials are required. ~!
, READ THESE INSTRUCTIONS FIRST
Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. DO NOT WRITE IN ANY BARCODES.
Answer all questions. You may lose marks if you do not show your working or if you do not use appropriate units.
At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ 1at the end of each question or part question.
I111111111111111111111111111111111111111111111111111111 L~ (U)A student investigates the motion of a toy car down a ramp. C~ C~
The toy car is released from rest on the ramp at position 1, as shown in Fig. 1.1. !'UJ(I
C~ EI
ramp toy car
position 1 ,,,.. I,, : position 2 I
d ,.. ' ,, I : position 3
aCz .nS ,~,II Gil G'll q(1 9)1
/floor q,JI Gli ALIC·YIFig. 1.1 (not to scale) 9JJ
(a) The toy car leaves the ramp at position 2. It travels a distance d along the 'floor and comes to QHI CIIrest at position 3. Distance d is between 1 and 2 metres. ENI c'iI
(i) Suggest a method for measuring d. ~).!.IeJI ell 0JI
....................................................................................................................................... [1 ] &ll Gilell(ii) Describe how the student ensures that the toy car is released from the same point on the Gil
ramp each time. ell Gil CII 9,11 Cli CII Gil....................................................................................................................................... [2] CI ci
(iii) On Fig. 1.1, mark the height h through which the toy car falls from position 1 to position 2. Cl [1 ] C.I.
GI (b) The student releases the toy car from the same point on the ramp five times and measures d Cl
each time. The student obtains the following values of d in centimetres. CI Cl CI
180 179 171 172 174 CI Cl
(i) Calculate dav ' the average value for d. CI Give your answer to a suitable number of significant figures. CI
GI Cl CI CI Cl
day = ...................................................[2] CI Cl Cl(ii) Suggest a reason why the results for d vary. CI CI Cl GI
....................................................................................................................................... [1 ] Gl CI Cl~UCLES2011 5054/42/M/J/11 ~ cl Cl
- -
---
II
I; E * 452212603 *
3IIIIIIIIIIIIIIIIIIIIIIII~ Illilllllllllllllllllll~ 1II1 (c) By adjusting the angle of the ramp, the student repeats the experiment for different values
of the height h. The results obtained for hand day are recorded in Fig. 1.2.
): hlcm da)cm!: )::JC 22 124 If;
20 109IE IE
18 94IE IE 16 84IE IE 14 70 IE +--
12 55IE IE r--
10 44IE IE Fig. 1.2 IE IE
(i) On Fig. 1.3, plot the graph of davl cm on the y-axis against hi em on the x-axis. :IE :IE Draw the line of best fit. ;IE :IE ;IE ±r + f--L I
; I E ; IE
-- ~-I
H+- , ~-;IE q± ri=-
t
~L I-r I --t 1--1--- ;IE +I I I I II+H---I-- , I _L-; IE '+_ '-+- rl -l- '+-Ht+-+ Hi~: I I
; I,E ' I + H--fI '
~}IE L r-j - J H :; I E ~1i I
+1 --++--+ I--1 'T I I ~i= I -
:; I E I I I I II--c l-I:;IE
I -1--t:IE ~ ,I , I I:IE :;IE -r++= I
H- I -
:::;IE GrE
H-- +-GtE ltrit H-- -t-
I I
I I H- -! I
elE [j='~r= =tr+CIE P,=r-=, -fth= --+--'-:- ---+-R T
CIE , I
IH- i ~IE tr T
~-H- t-t+CtE =r HI ~-1---FR= ,
tiE [-it Hr:+-H- +- r -
CIE I
i I I=H=-H- +-H --tm tiE H-t-t--l- I ,
Tt~L --,-- -·CIE :tIE I+H- -1 r ;- +I
I I:CIE -+--+-r -+--, -
1--++t- ---;-;:: HI I;CIE ~W3lt ----ttt ++++ t r- t-+ -t -
OlE! QIE~ GIE\ GJE( CIE1 OIEI C:'-E": tiE; OlE! OlE' CIE' CIE CIE OlE CIE CIE CIE CIE OlE GIE CIE CIE CIE CIE GIE CIE CIE CIE GIE CIE CIE CIE CIE CI E CI E CIE Clf GIf CII CII CII CII CII
(ii) Resistors A, Band C have resistances RA, RB and Rc where RA =RB =Rc =10.0.
Use your answer for V in (c)(i) and the relationship below to find the value of the current I in resistor A.
) :' )~
E E E E E E E
~' I =....................................................... [1 } ~' E (d) Four students try to build the circuit of Fig. 3.1 with three 10Q resistors and a cell. E Their circuit diagrams are shown in Fig. 3.3. E E E r--~~ It----,
E 1 I E E E 9 E E circuit 1 circuit 2 E E E E E E E E E E E 1;, E
circuit 3 circuit 4 Fig. 3.3
State and explain which circuit is not the same as the circuit in Fig. 3.1 .
(b) On Fig. 4.2, write the headings in the table that is to be used to record the results for test-tube A.
Fig. 4.2 [2]
(c) On Fig. 4.3, sketch and label the shape of the cooling curves for test-tube A and for test-tube B.
01-------------------------------------~~
o Fig. 4.3 [21
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