Physics 5054 June 2011

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.

II UNIVERSITYo(CAMBRIDGE181106505412JFP © UCLES 2011 ,1:::. International Examinations [Turn over

1

2

What is the correct unit for the quantity shown?

quantity unit

A electromotive force (e.m.f.) N

B latent heat J

C pressure kg/m3

D weight kg

2 A plumber measures, as accurately as possible, the length and internal diameter of a straight copper pipe.

The length is approximately 80 em and the internal diameter is approximately 2 cm.

What is the best combination of instruments for the plumber to use?

internal diameter length

A rule rule

B rule tape

C vernier calipers rule

D vernier calipers tape

3 A car moves in a circle at constant speed.

What is the direction of the resultant force acting on the car?

centre of circle • tu rned by car

D ,,,,

, \

\ \

\ \

\ , \

\ \

© UCLES 2011 5054/12/M/J/11

3

4 Which vehicle has an Bcceleration of 5 m I S2?

A a bicycle, when its speed changes from rest to 2.5m/s in 2s

B a car, when its speed changes from rest to 15m/s in 5s

C a lorry, when its speed changes from rest to 20 m / s in 15 s

D a motorbike, when its speed changes from rest to 50 m / s in 10 s

5 A car accelerates from traffic lights for 10 s. It stays at a steady speed for 20 s and then brakes to a stop in 3s.

Which graph shows the journey?

A B

speed speed

O~-------.-------.-------.~ O~-------.-------.-------.~

o 10 20 30 o 10 20 30 time/s time/s

C D

speed speed

O~-------.--------.-~----.-- O;-~-----.-------.-------.--J

o 10 20 30 o 10 20 30 time/s time/s

6 A skydiver falls from rest through the air and reaches terminal velocity.

What is the acceleration of the skydiver during his fall?

A constant at 0 m / S2

B constant at 10m / S2

C starting at Om/s2 and increasing to 10m/s2

D starting at 10m / S2 and decreasing to 0 m / S2

© UCLES 2011 5054/12/M/J/11 [Turn over

7

4

A uniform beam is balanced at its midpoint. An object is placed on the beam, as shown.

I 30cm I I I 104 ~l

60N

Which force will rebalance the beam?

A 30 N acting upwards, 60 cm to the left of the midpoint

B 30 N acting upwards, 60 cm to the right of the midpoint

C 45 N acting downwards, 45 cm to the right of the midpoint

D 90 N acting downwards, 20 cm to the left of the midpoint

8 A student collects stones and finds their density.

Which apparatus is needed to measure the mass and the volume of the stones?

mass volume

A newton meter measuring cylinder and water

B newton meter ruler and calipers

C top-pan balance measuring cylinder and water

D top-pan balance ruler and calipers

© UCLES 2011 S054/12!MIJ111

9

5

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?

A chemical ~ heat ~ kinetic ~ electrical

B chemical ~> kinetic ~ heat ~ electrical

C heat ~ chemical ~ kinetic ~ electrical

D kinetic ~ chemical ~ heat ~ electrical

©UCLES 2011 5054/12/MIJ/11 [Turn over

6

11 The centre of the Sun produces large amounts of energy.

What is the source of this energy?

A chemical reaction

B nuclear fission

C nuclear fusion

D radioactive decay

12 Four identical measuring cylinders contain liquid.

Two contain water of density 1000 kg / m3.

Two contain paraffin of density 800 kg / m3.

Which cylinder has the least pressure exerted on its base by the liquid it contains?

A B c D

80 80 80 80

60 60 60 60

water paraffin

13 The same downward force is applied to four objects resting on a horizontal surface.

Which exerts the greatest pressure on the surface?

A B c D

car wheel drawing pin table fork stiletto heel

© UCLES 2011 5054/12/M/J/11

7

14 A crane lifts a weight of 1000 N throug~ a vertical height of 30 m.

It uses 60 OOOJ of energy.

What is the efficiency of the crane?

A 20% B 30% C 50% D 200%

15 A balloon filled with air is gently heated.

What happens to the mass and the density of the air inside the balloon?

mass density

A decreases decreases

B decreases stays the same

C stays the same decreases

D stays the same stays the same

16 According to the kinetic theory, matter is made up of very small particles in a constant state of motion.

Which row best describes the particle behaviour in the liquid state?

forces between motion of particles

particles

A strong move randomly at high speed

B strong vibrate but are free to move position

C strong vibrate to and fro around a fixed position

D weak "

move randomly at high speed

.,-'------,


8

17 An ice pack is used to cool 0.25 kg of wafer. The specific heat capacity of water is 4.2 kJ / (kg °C).

ice pack

How much thermal energy (heat) must the ice pack extract from the water to reduce the water temperature by 15°C?

A 0.070 kJ B 1.1 kJ C 16kJ D 250kJ

18 Fillings in teeth should be made from a material which

A does not expand when heated.

B expands by the same amount as the tooth when heated.

C expands less than the tooth when heated.

D expands more than the tooth when heated.

19 A certain liquid is used in a liquid-in-glass thermometer. It does not expand uniformly with temperature.

What effect will this have on the scale of the thermometer?

A It will be non-linear.

B It will have a small range.

C The markings will be close together.

o The markings will be far apart.

20 Which application may use the part of the electromagnetic spectrum called microwaves?

A cooking vegetables

B detecting small cracks in metals

C gaining a sun-tan

o lighting a fluorescent tube

© UCLES 2011 5054/12/M/J/11

9

21 In which diagram is the path of the light ray not correct? (

A B

air

c D

22 The displacement-distance and displacement-time graphs'are for a water wave in a ripple tank.

displacement displacement

3 distance I cm

What is the speed of tne water wave?

A O,02cm/s B O.08cm/s C 25cm/s D 50cm/s


10

23 A ray of light strike's a plane mirror and is reflected.

normal

Which pair of angles must be equal in value?

A wand x B wand y C x and y D x and z

24 The ray diagram shows two rays from a point on an object placed in front of a diverging (concave) lens.

object

diverging lens

What are the properties of the image produced?

A real and larger than the object

B real and smaller than the object

C virtual and larger than the object

D virtual and smallerJhan the object

25 Which list contains an example of a non-magnetic material, a magnetic material and a magnetised material?

A copper, iron, a compass needle

B copper, iron, polythene

C iron, steel, a compass needle

D iron, steel, polythene

© UCLES 2011 5054/12/M/J/11

11

26 SountJ travels at different speeds in air, water and steel.

For these materials, which row is correct?

sound travels sound travels slowest in fastest in

A air steel

B air water

C steel air

D water air

27 The potential difference (p.d.) across a 1 on resistor is 5 V.

, , 5V , ,' ... "',I,I,

) .. 10n •I

)

How much charge passes through the 10n resistor in 30 seconds?

A 2C B 15C C 60C D 1500C

28 Which changes both cause a decrease in the resistance of a copper wire?

size of wire temperature of wire

A decrease in length lower

B increase in length lower

C decrease in thickness higher

D increase in thickness higher

29 To charge an isolated metal sphere by induction, the following four processes are required.

P The sphere is earthed by touching it.

o The earth connection is removed from the sphere.

R A charged rod is brought close to the sphere.

S The charged rod is removed.

In which order can these stages be carried out to charge the isolated metal sphere?


12

30 A lamp rated 6 V, 2 A is switched on for 60 s.

How much energy is used?

A 0.2J B 20J C 180J D 720J

31 The diagram shows a circuit.

6V

A

30 30

What is the reading on the ammeter when the switch is open, and the reading when it is closed?

ammeter reading when open/A

ammeter reading when closed / A

A 1 1

B 1 2

C 2 1

D 2 2

32 The diagram shows a circuit.

The lamp is a 12 W lamp and is working at normal brightness.

What are the readings on the meters?

voltmeter reading/V

ammeter reading / A

A 6 0.5

B 12 0.5

C 12 1

D 24 2

© UCLES 2011 5054/12/M/J/11

13

33 The diagram shows part/of an a.c. generator when its coil is in a horizontal position.

magnet

The graph shows the voltage output plotted against time.

Which point on the graph shows when the coil is in a vertical position?

A voltage output

time

c

34 The electromotive force (e.m.f.) induced in a conductor moving at right-angles to a magnetic field does not depend upon

A the length of the conductor.

B the resistance of the conductor.

C the speed of the conductor.

D the strength of the magnetic field.

35 The coil in an electric motor is wound onto a cylinder.

Why is the cylinder made of soft iron?

A to deflect the magnetic field away from the coil

B to increase the current through the coil

C to increase the strength of the magnetic field through the coil

D to support the coil and prevent it from collapsing


14

36 the diagram shows three pairs of parallel wires with the currents in the directions shown.

x Y z

For each pair of wires, what are the forces between the wires?

.yx Z

A attraction none repulsion

B attraction repulsion attraction

C repulsion attraction repulsion

0 repulsion repulsion repulsion

37 An alternating voltage of frequency 0.5 Hz is applied to the Y-plates of a cathode-ray oscilloscope (c.r.o.).

The diagram shows the screen of the c.r.o.

V '\ / " / \ /II \ 'I -\

\ / \ J

f\-.. .A

What is the time taken for the spot to cross the screen?

A 3s B 6s C 15s D 30s

38 A radioactive nuclide 2~~ U decays into thorium by emitting an alpha-particle.

The thorium then decays into protactinium by emitting a beta-particle.

What is the symbol for protactinium?

234PaA B Dc 91

© UCLES 2011 5054/12/M/J/11

15

39 Chlorine exists as two isotopes. One has a nucleon number (mass number) of 35 and the other has a nucleon number (mass number) of 37.

Which table shows the correct numbers of protons and neutrons in the isotopes?

A B

number of number of number of number of protons neutrons protons neutrons

isotope 1 17 18 isotope 1 18 17


c o number of number of number of number of

protons neutrons protons neutrons



40 Tritium is a radioactive isotope of hydrogen with a half-life of 12 years.

If a sample starts with 40 million atoms of tritium, how many atoms of tritium will be left after 12 years?

A 40 million

B 20 million

C 10 million

o 5 million

© UCLES 2011 5054/12/M/J/11

II • 428897101 •

··lllllllllllllllllllllllllllllllllllllllllllllllllillIII


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

DC (CB (SE/SW)) 3187917 © UCLES 2011 [Turn over

L

* 428897102 *

II2 I~l1l1llllli 11111 II!IIIIIII 1111111111 1111111111 Ilil 1111

Section A

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

Olf QJif ~.ll _,Vo~>\<,

(}If

Clf ............................................................................................................................................... [2] ~,Jj

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>: >

): ~:

):JIE IE IE A BIE -.--_/.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"-----......IE

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\

~ ~;g E'El ·Ei .Ii' ~:

l!.UCLES 2011 5054/22/M/J/11E,

[TUrnOV~ 1='

II * 428897104 *

4 1111111111111111111111111111111111111111111111111111111

3 (a) Explain, using ideas about molecules, I

(i) why a balloon filled with gas expands when heated,

................................................................................................................................................

................................................................................................................................................

.................. ................................ .... ............ ..... ................. ................ ......... ...................... [2]

(ii) why a balloon filled with water expands very little when heated .

................. ..... ............ ............................... ................................................................... ... [1 ]

(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.

volume = ............................................................. [2]

(ii) State one assumption that you have made in your calculation in (i) .

.................... .. '; ................................................................................................................ [1 ]

l!.UCLES 2011 5054/22/M/J/11

--

- -

II

IL

IE * 428897105 *

5I! 1111111111111111111111111111111111111111111111111111111

~~ 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

IE; • 428897107 •

7 II11 11I1111111111111111111111111111111111111111111111111111

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.

:5:Z:8: :::l-

IE IE IE,

............................................................................................................................................... [2] IE IE

(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

• [Turn ov~

* 428897108· ~l;~I(z: ~-~

8 <I~: r<c:1111111111111111111111111111111111111111111111111111111 >~.•

A

~---l

anode beam

7 Fig. 7.1 shows some parts of a cathode-ray oscilloscope. ~~:""::r: ;~I-! e?;~

electron ',W,C.!:: : Co::·,,;,s;' (!t-oo ;fluorescent €~~screen cg: f2;J,FG>IE Z~;:>~i!} ~~:.-

~t!J e.IE el E ~HEt;';.«,~

GiI:.E B cfn

Fig. 7.1 C IE QJ.E

(a) Explain why reversing battery A has no effect on the electron beam. ~l:~ Glf elE

~~HEiTE CI E

............................................................................................................................................... [2] CIE

~iH(b) The connections to battery B are reversed. State and explain the effect on the electron elEbeam. CI E

~:IE ~'rJCI'E elE

§iJ,J ............................................................................................................................................... [2] eriEe!rE

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

• 428897109 •

9 II : ··1111111111111111111111111111111111111111111111111111111

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

9

• 428897110 *

II101~1111I111111I11111111111I1111I1111111I11111I11111I1111 Section' 8

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

....................................................................................................................................... [1]

l...!.UCLES 2011 5054/22/M/J/11 ..J

II • 428897111 •

11 1111111111111111111111111111111111111111111111111111111

(b) Explain, in deta1l, why after the sky-diver opens his parachute, he decelerates and eventually reaches a steady speed .

............................................................................................................................................... [4]

(c) For the time interval between t = 10 sand t = 20 s, calculate the distance that the sky-diver falls.

distance =........................................................... [1 ]

(d) The mass of the sky-diver is 60 kg.

For the time interval between t = 20 sand t = 25 s,

(i) calculate the average deceleration of the sky-diver,

average deceleration = ....................................... [2]

(ii) calculate the average resultant force acting on the sky-diver,

force = ................................................................[2]

(iii) state how your graph in Fig. 9.2 may be used to obtain the distance that the sky-diver falls .

....................................................................................................................................... [1]

E E E E

l.!.UCLES 2011 5054/22/M/J/11 [TUrnOV~

i

~~i$"i• 428897112 •

~~': 12 II eo::

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

• 0.1 CfL.!.UCLES 2011 5054/22/M/J/11 ci Cf

II • 428897113 *

13

film

111111111111111111111111111111111111111111111111

(b) Fig. 10.1 represents a simple camera.

camera

object

_t ____________________________ ~~~~____ ____________ _

Fig. 10.1 (to scale)

(i) State the type of lens used in this simple camera .

... .... ......... ...... ........ ........ ...... ............. ...... ...... ........ ... .......... ...... .... ................. ...... ....... ..... [1]

(ii) Draw two rays from the top of the object to show how the image is formed on the film. Mark and label the image on the film. [3]

(iii) Define the term linear magnification .

....................................................................................................................................... [1]

(iv) Fig. 10.1 is drawn to scale. Determine the linear magnification of the object shown in Fig. 10.1.

magnification = ................................................... [1]

(v) Apart from its size, state one other property of the image formed by the lens .

....................................................................................................................................... [1]

(vi) Explain why, when taking photographs of other objects, it may be necessary to move the lens towards the film .

.............................................................................................................................................

....................................................................................................................................................

.................................................................................................................................................

....................................................................................................................................... [3]

l.!.UCLES 2011 5054/22/M/J/11 [Turn ov~

c:• 428897114 *

II (£~

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 (

c l!.UCLES 2011 5054/22/M/J/11 (..J ~

(

(

• 428897115 •

15 ·111111111111111111111111111111111111111111111111111111I •

(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.

water: ................................................................................................................................ .

bullet: .................................................................................................................................

[3]

(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.

[~L!.UCLES 2011 5054/221M/J/11

II • 45221260i •

1111111111111111111111111111111111111111111111111111111


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.

This document consists of 8 printed pages.

DC (SM/DJ) 31823/5 I~I UNIVERSITYo(CAMBRIDGE

© UCLES 2011 ";~:::" International Examinations [Turn over

I

L

1

llifi~• 452212602 • Cz GC3..2 ,Ar

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 -

,

:CIE -i--W ,I+H I

:CIE t- -Wi --H--l - I iCIE

I rT d -r-h -+ f-f-tt:,~IE +:

-ffi- -r~~+ +--j- I

:P IE o H-' iT-rt-t-1

1 I

:CIE =CIE o :(:IE Fig. 1.3 [4] =CIE ~CIE l!.UCLES 2011 5054/42/M/J/11 [TUrnOV~:Y"'IC

* 452212604 * ~!~l II

(Sz;f:':(5 ~

4 ~o::i IJIIIII 11111 11111 11111 11111 11111 11111 11111 IlllI 1111 1111 ~~l

c~:(ii) Describe the relationship between day and h. ':r: .Cf-' e~l €~: )0;:;

~s: ....................................................................................................................................... [1] Cf-:o:CZ:

Co:(d) The car is now released with h = 2cm. Use your graph to state what happens to the car. o· CIE Q(i:drE OJE

............................................................................................................................................... [1] C.IE elE qn C;/Eern CIE CIE CIE CIEq:JJGtE e'T'E erE qlE QIJ q!E¢;JE @'iE e'lf 0.1 E ClE CrE citEelE O}E C 1 E q)Ed(tE&'r1 df~ OlE GIE CIE CIE CIE CIE CIE GIE tIE GIE elE CIE CIE CIE CIE CIE CIE CI E Cit CtE CI E elE elEI © UCLES 2011 5054/421M/J/11 elE clE

2

• 452212605'

5 II 11111111111111111111111111111111 1IIIIIItllllllllill 1III

A student investigates the effect of a converging lens on light from the Sun.

The student uses a converging lens to produce a clear image of the Sun on a piece of white card, as shown in Fig. 2.1.

converging lens light from white

a point on card

the Sun

image of the point on the Sun

Fig. 2.1 (not to scale)

The student measures the perpendicular distance from the centre of the lens to the white card.

(a) (i) On Fig. 2.1, mark this distance and label it s. [1 ]

(ii) State the name given to this distance .

............... .... ............. ............... ............................... ............................... ...... ............ ........ [1 ]

(b) Describe in detail the experimental techniques used to obtain an accurate value for this distance .

....................................................................... ........................................................................ [3]

l..!,UCLES 2011 5054/42/M/J/11 [TUrnOV~

• 452212606 •

1111111111111111111111111111111111111111111111111111111 6 f

3 IThree resistors A, Band C are connected in a circuit with a cell, as shown in Fig. 3.1.

II

A r---~ II-----l LI ,'--_---'r-

B

C r

Fig. 3.1

(a) State the arrangement of resistors Band C in the circuit.

............................................................................................................................................... [1 J

(b) On Fig. 3.1, draw

(i) the symbol for a voltmeter to measure the voltage provided by the cell, [1 J

(ii) an X to indicate the position of an ammeter to measure the current in resistor A. [1 J

(c) The voltmeter is shown in Fig. 3.2.

+0

o o 10

Fig. 3.2

(i) State the voltmeter reading Von Fig. 3.2.

V = ..................................................... [1]

~UCLES 2011 5054/42/M/J/11

ci'E':1 §z3i C~~i E~§l (~=j

.~~;'l c:~ =i C~=icO:: -,'+$:::;\(t);i C:z =! E8=1 §}gl eli:3:(

Gr~"~ gr~l GIE! Gl~}CIE! GIE! G}E\ GIEI CIEi C'tEI CIEI dlEi ,--,-,.-,'-'_'-"'- 1

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

1£ ' • 452212607 •

7 1111111111111111111111 1111111111 lIill 11111 11111 11111111

(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 .

.............................................................................................................................. ................. [1 ]

L!.UCLES 2011 5054/42/M/J/11 [Turn ov~

4

• 452212608 •

8 - 111111111111111111111111111111111111111111 1111111111111

The effect of surface colour on the cooling' of an object is investigated.

Fig. 4.1 shows two sets of apparatus used in this investigation.

thermometer

test-tube A

€

II E c c c C c c

thermometer c ~ c c (

test-tube B (

(

Cdull black -----I ;--- shiny silver Couter surface outer surface (

( (hot water hot water (

Fig.4.1 (

(Test-tube A has a dull black outer surface and test-tube B has a shiny silver outer surface. (

The test-tubes containing hot water are allowed to cool. (Readings are taken for 20 minutes to allow cooling curves to be plotted. (

((a) State two factors that must be the same for the two sets of apparatus so that the cooling (

curves may be compared.

1................................................................................................................................................

2 ............................................................................................................................................... . [2]

(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

Permission to reproduce items where third·party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity.

University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge.

l....!.UCLES 2011 5054/42/M/J/11 ...J

Documents

Physics 5054 June 2011