Paper 1 May 2000 Physics

This question paper consists of 15 printed pages and 1 blank page.

SB (SC/JB) QF06362/2© UCLES 2000 [Turn over

UNIVERSITY OF CAMBRIDGE LOCAL EXAMINATIONS SYNDICATE

General Certificate of Education Ordinary Level

PHYSICS 5054/1PAPER 1 Multiple Choice

MAY/JUNE SESSION 2000 1 hour

Additional materials:Multiple Choice answer sheetSoft clean eraserSoft pencil (type B or HB is recommended)

TIME 1 hour

INSTRUCTIONS TO CANDIDATES

Do not open this booklet until you are told to do so.

Write your name, Centre number and candidate number on the answer sheet in the spaces providedunless this has already been done for you.

There are forty questions in this paper. Answer all questions. For each question, there are fourpossible answers, A, B, C and D. Choose the one you consider correct and record your choice in softpencil on the separate answer sheet.

Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATES

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.

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1 The diagram shows a vernier scale.

Which reading is shown?

A 3.44 cm B 3.46 cm C 3.60 cm D 4.00 cm

2 A ball falls freely (with no air resistance) near the surface of the Earth.

Which quantity remains constant?

A acceleration

B distance travelled in 1 s

C speed

D velocity

3 Oil drips at a constant rate from a moving car. The diagram shows the pattern of the drips on aroad.

Which statement describes the motion of the car?

A It accelerated and then moved at a steady speed.

B It accelerated and then slowed down.

C It moved at a steady speed and then slowed down.

D It moved at a steady speed and then accelerated.

direction of movement

3

0 0.1

4 cm

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4 A heavy lorry has a high inertia.

How difficult is it to start the lorry moving and to stop it moving?

5 A rectangular block of wood has length 6.0 cm, width 5.0 cm and height 10.0 cm. It has mass150 g.

What is the mass of a block of the same type of wood of length 3.0 cm, width 5.0 cm and height20.0 cm?

A 75 g B 150 g C 300 g D 600 g

6 An airship is moving forwards at constant height.

Which statement is correct?

A Gravity no longer has any effect.

B The airship now has zero mass.

C The potential energy is zero.

D The upward and downward forces are balanced.

upward force (lift)

downward force

to start to stop

A difficult difficult

B difficult easy

C easy difficult

D easy easy

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7 A pivoted uniform bar is in equilibrium under the action of the forces shown.

What is the magnitude of the force F?

A 2 N B 4 N C 8 N D 14 N

8 A car accelerates up a hill.

What happens to its kinetic energy and to its potential energy?

9 The diagram shows a simple mercury barometer.

Which of the following does not cause the height of the mercury column to vary?

A changes in the atmospheric pressure

B changes in the value of g

C evaporation of mercury from the barometer reservoir

D leakage of air into the tube

height ofmercurycolumn

mercury

reservoir

10 N 6 N

4 m 2 m 2 m

F

kinetic energy potential energy

A decreases increases

B increases decreases

C increases increases

D unchanged decreases

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10 The results table is produced by a student studying the ‘work done’ in moving an object.

Units are missing from each column.

What should they be?

11 Which of the following correctly states the properties of solids, liquids and gases?

12 A swimmer comes out of the water on a windy day. He may feel colder before he dries himself thanafterwards.

Why is this?

A The water is cooled down by the swimmer.

B The water on his skin is colder than the air.

C The water prevents warm air reaching his skin.

D The wind evaporates the water, cooling his skin.

force used distance moved ‘work done’

110 10 1100

force distance work done

A F D W

B kg m kg/m

C m kg N

D N m J

solids liquids gases

A do not flow easily flow easily flow easily

B easily compressed easily compressed hard to compress

C fixed shape fixed shape no fixed shape

D no fixed volume fixed volume no fixed volume

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13 A partially inflated balloon is placed under a bell jar (diagram 1).

A vacuum pump is turned on for several minutes and the volume of the balloon increases(diagram 2).

Which pressure changes occur within the bell jar and within the balloon?

14 What is reduced when a mercury thermometer is made using a larger bulb, but with a capillarytube of the same diameter and length?

A accuracy

B linearity

C range

D sensitivity

diagram 1

to vacuumpump

diagram 2

to vacuumpump

balloon

airtight seal

metal table

pressure change pressure changein the bell jar in the balloon

A decrease decrease

B decrease increase

C increase decrease

D increase increase

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15 The diagram shows a bimetallic strip in a circuit. The copper expands more than the invar for thesame temperature rise.

What will be switched on when the bimetallic strip becomes hot?

A bell only

B lamp and bell only

C motor and bell only

D lamp, bell and motor

16 An experiment is carried out as shown.

Why does the ice take a long time to melt, even though the water at the top of the test-tube isboiling?

A Convection cannot occur in water.

B Ice is a poor radiator of heat.

C The metal gauze prevents energy reaching the ice.

D Water is a poor conductor of heat.

steam

boiling waterglass test-tube

metal gauze

iceBunsenburner

M

signal lamp

electric bellinvar

copper

motor

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17 A lightly coiled spring is fixed at one end and held by hand at the other.

Which hand movements cause first a compression and then a rarefaction to travel along thespring?

A down then up

B up then down

C left then right

D right then left

18 The diagram shows a converging lens producing an upright, virtual image.

Which optical instrument uses this arrangement?

A a camera

B a magnifying glass

C a photographic enlarger

D a projector

image F Fobject

lens

up

down

left right

fixed

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19 A ray of light passes through a rectangular glass block. It is refracted and totally internallyreflected.

Which diagram shows a possible path of this ray?

20 A person stands 2.0 m in front of a plane mirror as shown.

How far from the person is her image?

A 2.0 m B 3.0 m C 3.5 m D 4.0 m

21 On what does the quality (timbre) of a sound wave depend?

A the loudness of the sound

B the pitch of the sound

C the shape of the wave

D the speed of the wave

mirror

2.0 m

1.5 m

glass glass

glass glass

A

C

B

D

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22 Four different whistles, when blown, emit pure notes with the frequencies shown.

0.1 kHz 1 kHz 10 kHz 100 kHz

How many of the frequencies are above the normal audible range for humans?

A 1 B 2 C 3 D 4

23 An iron bar is placed near a magnet as shown.

Which diagram correctly shows the induced magnetisation of the iron bar?

24 A small compass is placed beside the middle of a bar magnet.

In which direction will the compass needle point?

A B C D

compass

S N

N

S N

N S S N

S

A B C D

N S

magnet

iron bar

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25 Materials can be classed, in electrical terms, as either conductors or insulators.

Which two materials are correctly identified?

26 A 0.4 m length of resistance wire with an area of cross-section of 0.2 mm2 has a resistance of 2 Ω.

Which wire of the same material will also have a resistance of 2 Ω?

27 The diagram shows two resistors connected in parallel across a voltage source.

Which statement is true for this circuit?

A The combined resistance is equal to the sum of the resistances.

B The current at every point in the circuit is the same.

C The current from the source is equal to the sum of the currents in X and in Y.

D The sum of the p.d’s across X and across Y is equal to the p.d. across the voltage source.

X

Y

conductor insulator

A aluminium copper

B copper polythene

C glass aluminium

D polythene glass

wire length area

A 0.2 m 0.2 mm2

B 0.2 m 0.4 mm2

C 0.8 m 0.1 mm2

D 0.8 m 0.4 mm2

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28 The diagram shows part of an electric circuit.

What is the effective resistance between X and Y?

A Ω B Ω C 5 Ω D 20 Ω

29 Which diagram shows a lamp and a switch correctly wired to the mains supply?

30 Which fuse should be used for a 750 W electric iron connected to a 240 V supply?

A 3 A B 5 A C 10 A D 13 A

31 For a step-down transformer, what are the relative numbers of turns on the two coils and thematerial of the core?

live

neutral

live

neutral

live

neutral

live

neutral

A B

C D

1__5

1__20

X Y 2 Ω 8 Ω

5 Ω 5 Ω

primary turns secondary turns core material

A few many hard steel

B few many soft iron

C many few hard steel

D many few soft iron

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32 The diagram shows a current-carrying wire passing through the centre of a sheet of paper.

How do the strengths of the magnetic field at points X, Y and Z compare?

A equal at X, Y and Z

B equal at X and Z, but stronger at Y

C equal at X and Z, but weaker at Y

D stronger at X than Y and stronger at Y than Z

33 A 12 V lamp is connected to a 12 V supply using very long leads.

Why does the lamp glow only dimly?

A A d.c. supply is being used rather than an a.c. supply.

B Electrical energy is converted to heat in the long leads.

C The current through the lamp is less than that from the supply.

D The potential difference across each lead is half the voltage supply.

12 Vsupply

12 Vlamp

long lead

long lead

X Y Z

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34 The diagram shows a horizontal beam of electrons entering a region between two charged plates.

In which direction is the electron beam deflected?

A upwards

B downwards

C into the diagram

D out of the diagram

35 A radioactive nucleus is represented by X. It emits an alpha particle and forms a different

Which of the following represents the new nucleus?

A Y B Y C Y D Y

36 A factory uses a radioactive source and a detector to monitor the thickness of plastic sheets. Thearrangement is as shown.

Which type of radioactive source would be best for this device?

meter

plasticsheet

detector

radioactivesource

correcttoothick

toothin

22385

22386

22384

22383

22785

+ + + + + + +

– – – – – – –

electron beam

electricfieldline

radiation half-life

A 1 day

B 10 years

C 1 day

D 100 years

nucleus of element Y.

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37 Isotopes of an element contain the same number of

A atoms.

B neutrons.

C nucleons.

D protons.

38 In the Geiger-Marsden experiment, why do the great majority of the -particles pass through themetal foil with only small deviations?

A Atomic nuclei may contain neutrons.

B Atoms are electrically neutral.

C Atoms are largely empty space.

D Atoms have positively charged nuclei.

39 The diagram represents two helium nuclei. They have the same speed, mass and charge. Theyare moving directly towards each other.

Which statement is correct?

A The nuclei attract one another with a net gain in their energy.

B The nuclei repel one another with a net loss in their energy.

C The nuclei attract one another and their total energy stays constant.

D The nuclei repel one another and their total energy stays constant.

40 The amount of energy transferred when 10 C of charge passes through a p.d. of 20 V is the sameas the energy needed to raise a 2kg mass through a distance x.

[gravitational field strength = 10 N/kg]

What is the value of x?

A 0.1 m B 1 m C 10 m D 100 m

helium nucleus helium nucleus

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Paper 1 May 2000 Physics