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Write your name on the Answer Sheet in the spaces provided

16 printed pages.

Paper 1 Multiple Choice

Ju

This document consists of

[Tur

General Certificate of Education Ordinary Level

PHYSICS 5

Additional Materials: Multiple Choice Answer SheetSoft clean eraserSoft 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.

unless this has been done for you.

There are forty questions on this paper. Answerall questions. For each question there are four poanswers A, B, C and D.

Choose the one you consider correct and record your choice in soft pencil on the separate Answer

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.

UNIQUE SCIENCE ACADEMY

Class C2

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The diagram shows a ray of light from one point on a lamp striking a plane mirror.

lamp

R

P

The image of the point on the lamp formed by the mirror is

A at P and is real.

B at P and is virtual.

C at R and is real.

D at R and is virtual.

Which characteristics describe an image formed by a plane mirror?

A real and inverted

B virtual and upright

C real and larger than the object

D virtual and smaller than the object

The diagram shows four rays of light from a lamp below the surface of some water.

What is the critical angle for light in water?

air

water

lamp

C

D

B A

When white light is dispersed by a prism, compared with blue light, the red light is

A slowed down less and refracted less.

B slowed down less and refracted more.

C slowed down more and refracted less.

D slowed down more and refracted more.

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An object O is placed in front of a plane mirror. A person looks into the mirror as showndiagram.

In which position is the image of O seen?

A ray of light passes through the block and emerges at an angle of 60to the surface of the

What is the value of the angle marked X?

A 19.5 B 35 C 40 D 48.5

60

X

air

glass

air

O

B

D

C

A

person

sin iFor a certain parallel-sided glass block, the value of is 1.50.

sin r

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What is true for real images formed by a converging lens?

A They are inverted.

B They are on the same side of the lens as the object.

C They can never be shown on a screen.

D They cannot be seen by the human eye.

A boy stands beside a girl in front of a large plane mirror. They are both the same distancthe mirror, as shown.

Where does the boy see the girls image?

girl boy

mirror

A D

B C

An image is formed in a plane mirror.

wxy

z

reflected ray

normal

incident ray

object

plane

mirror

imagedO dI

Which statement must be correct?

angles distances

A w= y dO = dI

B w= z dO is greater than dI

C x= y dO = dI

D x= z dO is greater than dI

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5

A ray of light enters a glass block at an angle of incidence i producing an angle of refractthe glass.

glassblock

r

i

Several different values ofi and r are measured, and a graph is drawn of sin iagainst sin r.

Which graph is correct?

1

0.5

00 0.5 1

sin i

sin r

A

1

0.5

00 0.5 1

sin i

sin r

B

1

0.5

00 0.5 1

sin i

sin r

C

1

0.5

00 0.5

sin i

D

A student starts to draw a ray diagram for an object at O, near a thin convex lens, but is nwhether the image is formed at X or at F.

OX

F

The correctly drawn image is

A real and formed at F.

B real and formed at X.

C virtual and formed at F.

D virtual and formed at X.

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m 64

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12 Which diagram correctly shows the dispersion of white light by a glass prism?

screen

white

light

white

light

white

light

white

lightred

violet

glass prism

A

violet

red

B

red

violet

C

violet

red

D

6

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The diagram shows a patient having her eyes tested. A chart with letters on it is placed her and she sees the chart reflected in a plane mirror.

plane mirror patient chart

m

How far away from the patient is the image of the chart?

A m B C m D m

Which statement is true for all electromagnetic waves?

A They are longitudinal.

B They can be seen.

C They have the same frequency in air.

D They travel at the same speed in a vacuum.

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The diagram shows part of a spring that is shaken from side to side to produce a wave.

0.60m

The distance between successive peaks is 0.60m and the frequency is 2.5Hz.

How long does it take for a wave to travel 3.0m along the spring?

A 0.20s B 0.50s C 2.0s D 5.0s

The graph shows, at one instant, the pressure variation along a sound wave.

atmospheric

pressure distance

Y

X

Q

P

pressure

Which point on the diagram represents a rarefaction and what is the wavelength of thewave?

rarefaction at wavelength is

A P X

B P Y

C Q X

D Q Y

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21 In an experiment using a ripple tank, plane wavefronts arrive at a plane surface.

plane surface

Which of the following correctly describes the waves after they are reflected from the surfac

speed of waves wavelength

A faster shorter

B slower longer

C slower shorter

D the same the same

22 Waves pass from deep water to shallow water and refraction occurs.

1m

2m/s

0.4m

shallow

deep

What is the speed of the waves in the shallow water?

A 0.2m/s B 0.8m/s C 2.0m/s D 5.0m/s

23 A lens forms a blurred image of an object on a screen.

lens screen

object

How can the image be focussed on the screen?

A by moving the object away from the lens and screen

B by moving the screen away from the lens and object

C by using a brighter object at the same position

D by using a lens of longer focal length at the same position

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In an electrostatics experiment, a plastic rod is rubbed with a cloth. The cloth becomes negcharged.

Which diagram shows the charge on the rod, and describes the movement of charge?

A

cloth

rod

protons move from the cloth onto the rod

B

cloth

rod

electrons move from the rod onto the cloth

C

cloth

rod

electrons move from the cloth onto the rod

D

cloth

rod

protons move from the rod onto the cloth

The diagram shows the current I/ voltage Vgraph for a length of resistance wire.

I

V00

X

Y

Z

Where can Ohms law be applied to the wire?

A at Y only

B at Z only

C from X to Y

D from X to Z

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Two uncharged metal spheres, not touching one another, are suspended by means of thread. A positively charged rod is brought near.

+

+

+

+

Which diagram shows what happens to the spheres?

+

+

+

+

A

+

+

+

+

B

+

+

+

+

C

+

+

+

+

D

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

+

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Which factors will both increase the resistance of a wire in a circuit?

size of wire temperature of wire

A longer lower

B shorter lower

C thicker higher

D thinner higher

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A battery is used to light a 24W electric lamp. The battery provides a charge of 120C in 6

24W

What is the potential difference across the bulb?

A 5V B 12V C 24V D 120V

A student sets up the circuit shown.

I1

I2

I3

I4

A

A

A

A

The currents measured with the ammeters are shown.

Which equation is correct?

A I1 = I2 + I3 + I4

B I1 = I2 = I3 = I4

C I2 + I3 = I4 + I1

D I4 = I3 + I2 + I1

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The following circuit is set up.

6.0

3.0

6.0

A

6.0V

What is the reading on the ammeter?

A 0.33A B 0.50A C 0.67A D 1.0A

The diagram shows a model railway signal.

a.c. supply

iron nail

coil

P

What does the end P do when the switch is closed?

A It goes down and stays down.

B It goes up and stays up.

C It goes down and then returns to its original position.

D It goes up and then returns to its original position.

A wire has a resistance of 8. A second wire, made of the same material, has half the lengtwice the cross-sectional area.

What is the resistance of the second wire?

A 1 B 2 C 8 D 16

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A bar magnet is broken into three parts X,Y and Z.

N S

X Y Z

Which diagram shows the poles in X,Y and Z?

X Y Z

A

B

C

D

N

N

N N

NN

S

S

SS

SS

N S

N S

N S

The potential difference between the ends of a conductor is 12V.

How much electrical energy is converted to other forms of energy in the conductor when 1charge flows through it?

A 0.12J B 8.3J C 88J D 1200J

Which of the following will prove that a metal bar is a permanent magnet?

A it attracts another magnet

B it attracts both ends of a compass needle

C it conducts electricity

D it repels another magnet

[Turn

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A wire of length 1.0 m has a resistance of 2.0. When connected to a cell, the current in this 3.0A.

A

1.0m wire of resistance 2.0

3.0A

A 2.0m length of the same wire is connected to the same cell.

A

2.0m wire

What is the resistance of the wire and the current in it?

resistance current

A 1.0 1.5A

B 1.0 3.0A

C 4.0 1.5A

D 4.0 3.0A

In the circuit shown, at which point is the current the smallest?

6

10

4

B

A

C

D

1.5V 1.5 Vx

x

x

x

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At which point in the circuit is the current the smallest?

2

1

3

A B

D

C

The diagram shows a circuit.

R 1

A

V

3 V

0.5A

The ammeter has negligible resistance.

What is the resistance of the resistor R?

A 0.5 B 1.5 C 5 D 6

The diagram shows a cell connected in series with an ammeter and three resistors (10 ,

30). The circuit can be completed by a moveable contact M.

A

M

X Y Z10 20 30

When M is connected to X, the ammeter reads 0.6A.

What is the ammeter reading when M is connected to Y?