Free Printable THIRD TERM EXAM PHYSICS

1.

Which letter corresponds to the amplitude?

a)

A

b)

B

c)

C

d)

D

2.

Which diagram correctly shows rays passing through a camera lens?

a)

b)

c)

d)

3.

Water waves change direction when they move from shallow water to deep water.

What is the name of this effect?

a)

A diffraction

b)

B dispersion

c)

C reflection

d)

D refraction

4.

A plane mirror is on a wall. Which is a correct description of the image formed by the mirror?

a)

A the right way up and smaller than the object

b)

B the right way up and the same size as the object

c)

C upside down and smaller than the object

d)

D upside down and the same size as the object

5.

A woman tunes her radio to a station broadcasting on 200 m. What does the 200 m tell her about the radio wave?

a)

A its amplitude

b)

B its frequency

c)

C its speed

d)

D its wavelength

6.

A boy is stranded on an island 500 m from the shore.

He shouts for help, but all he can hear in reply is the echo of his shout from some cliffs. Sound travels at 340 m/s through the air. What is the time interval between the boy shouting and hearing the echo?

a)

b)

c)

d)

7.

A student wishes to use a magnetising coil to make a permanent magnet from a piece of metal. Which metal should she use?

a)

A aluminium

b)

B copper

c)

C iron

d)

D steel

8.

What is the frequency of this wave?

a)

A 3 Hertz

b)

B 4 Hertz

c)

C 5 Hertz

d)

D 6 Hertz

9.

What is the speed of a wave that has a wavelength of 2m and a frequency

of 2.5Hz?

a)

A 2.5 m/s

b)

B 5 m/s

c)

C 4.5 m/s

d)

D 6 m/s

10.

The ray diagram shows how an image is formed by a converging lens.

What is the focal length of this lens?

a)

A 8cm

b)

B 10cm

c)

C 18cm

d)

D 24cm

11.

Which wave in the diagram has the greatest frequency?

a)

A 1

b)

B 2

c)

C 3

d)

D 4

12.

Rays of light enter and leave a box.

What could be inside the box to make the rays behave as shown?

a)

A a converging lens

b)

B a parallel-sided glass block

c)

C a plane mirror

d)

D a triangular prism

13.

What causes the refraction of a wave?

a)

A the density of the medium changes the speed

b)

B the amount of the medium changes the direction

c)

C the colour of the medium changes the speed

d)

D the type of wave changes the direction

14.

What is the SI unit for frequency?

a)

A Meters

b)

B Hertz

c)

C Decibels

d)

D Meters/Second

15.

The electromagnetic wave with the highest frequency is

a)

A radio waves

b)

B gamma rays

c)

C x-rays

d)

D visible light

16.

The diagram shows a uniform beam being used as a balance. The beam is pivoted at its centre. A 1.0N weight is attached to one end of the beam. An empty pan weighing 0.2N is attached to the other end of the beam.

How many 0.1N weights must be placed on the pan in order to balance the beam?

a)

A 5

b)

B 8

c)

C 10

d)

D 12

17.

Light strikes a plane mirror and is reflected. The angle between the ray of light and the mirror is 20°.

What is the size of the angle of reflection?

a)

A 20°

b)

B 70°

c)

C 140°

d)

D 160°

18.

Sound waves travel the fastest through

a)

A Liquids

b)

B Gases

c)

C Solids

19.

The centre of a uniform metre rule rests on a pivot. A load of weight 3.0 N is placed at the 70 cm mark. A force F acts upwards at the 80 cm mark. The rule is in equilibrium.

What is the magnitude of F?

a)

A 2.0N

b)

B 2.6N

c)

C 3.0N

d)

D 4.5 N

20.

Sound waves that are beyond the range of human ear are known as ----

a)

A Infrasonic waves

b)

B Ultrasonic waves

21.

Which electromagnetic waves are used in ovens and cell phone communications?

a)

A Infrared rays

b)

B ultraviolet rays

c)

C microwaves

22.

The part of a longitudinal wave where the particles of the medium are close together.

a)

A rarefaction

b)

B compression

c)

C crest

d)

D trough

23.

Total internal reflection may occur when light reaches an air-glass boundary. Under which conditions is light totally internally reflected?

a)

A

b)

B

c)

C

d)

D

24.

Electromagnetic waves that help your body produce vitamin D are called?

a)

A ultraviolet rays

b)

B x-rays

c)

C gamma rays

25.

Which type of wave cannot travel through a vacuum?

a)

A infra-red radiation

b)

B microwaves

c)

C sound waves

d)

D X-rays

26.

The critical angle for a glass / air boundary is C. Which diagram shows the correct path of the light ray?

a)

b)

c)

d)

27.

Two blocks X and Y are placed on a beam as shown. The beam balances on a pivot at its centre.

What does this show about X and Y?

a)

A They have the same mass and the same density.

b)

B They have the same mass and the same weight.

c)

C They have the same volume and the same density.

d)

D They have the same volume and the same weight.

28.

Music is produced by the loudspeaker of a radio. Which property of the sound wave increases when the music is made louder?

a)

A amplitude

b)

B frequency

c)

C speed

d)

D wavelength

29.

Sounds are made by vibrating objects. A certain object vibrates but a person nearby cannot hear any sound. Which statement might explain why nothing is heard?

a)

A The amplitude of the sound waves is too large.

b)

B The frequency of the vibration is too high.

c)

C The sound waves are transverse.

d)

D The speed of the sound waves is too high.

30.

The diagram shows a student standing 165 m in front of a wall. He claps his hands once. How long after the hand clap does he hear the echo? (Speed of sound s 330m/s)

a)

A 0.25s

b)

B 0.50s

c)

C 1.0s

d)

D 2.0s

31.

Small particles of metal are scattered near a bar magnet to show the pattern of the magnetic field. Which metal is suitable?

a)

A aluminium

b)

B brass

c)

C copper

d)

D iron

32.

A strong electromagnet is used to attract pins.

What happens when the current in the coil is halved?

a)

A No pins are attracted.

b)

B Fewer pins are attracted.

c)

C The same number of pins is attracted.

d)

D Many more pins are attracted.

33.

Which list contains only transverse waves?

a)

A infra-red waves, light waves, sound waves

b)

B infra-red waves, light waves, ultraviolet waves

c)

C infra-red waves, sound waves, ultraviolet waves

d)

D light waves, sound waves, ultraviolet waves

34.

A thin converging lens is used to produce, on a screen, a focused image of a candle.

The screen and the lens are moved back and forth and various focused images are produced on the screen. Which statement is always true?

a)

A The image is at the principal focus (focal point) of the lens

b)

B The image is bigger than the object.

c)

C The image is closer to the lens than the object is.

d)

D The image is inverted.

35.

A dolphin has a range of audible frequencies of 150Hz -150kHz. Which range of frequencies can be heard both by humans with good hearing and by dolphins?

a)

A 20Hz–150Hz

b)

B 20Hz–150kHz

c)

C 20 kHz–150kHz

d)

D 150Hz–20kHz

36.

A girl stands at a distance from a large building. She claps her hands and a short time later hears an echo. Why is an echo produced when the sound waves hit the building?

a)

A The sound waves are absorbed.

b)

B The sound waves are diffracted.

c)

C The sound waves are reflected.

d)

D The sound waves are refracted.

37.

SI unit of time period is

a)

A second

b)

B minute

c)

C hour

d)

D nanosecond

38.

What is one of the uses of ultrasound?

a)

A cleaning jewellery

b)

B satellite communication

c)

C fluorescent tubes

d)

D optical fibres

39.

Which test could be used to find which end of a magnet is the north pole?

a)

A putting it near a compass needle

b)

B putting it near a ferrous metal

c)

C putting it near a non-ferrous metal

d)

D putting it near a steel spoon

40.

A student has a bar magnet. He brings the magnet close to an object. The magnet and the object repel each other. What must the object be?

a)

A another permanent magnet

b)

B any magnetic material

c)

C a block of wood

d)

D a piece of copper

41.

What is the SI unit of wavelength?

a)

A hertz

b)

B metre

c)

C metre per second

d)

D second

42.

Sound wave P has a greater amplitude and a larger wavelength in air than sound wave Q. How do the loudness and pitch of P compare with the loudness and pitch of Q?

a)

A P is louder and higher in pitch than Q.

b)

B P is louder and lower in pitch than Q.

c)

C P is quieter and higher in pitch than Q.

d)

D P is quieter and lower in pitch than Q.

43.

A parallel beam of light falls on a converging lens. Which diagram shows what happens to the beam of light?

a)

b)

c)

d)

44.

Which type of wave is shown in the image?

a)

A seismic waves

b)

B transverse waves

c)

C longitudinal waves

d)

D compression

45.

A ray of light in glass is incident on a boundary with air. Which path does the ray of light take when the angle of incidence i is less than the critical angle?

a)

A

b)

B

c)

C

d)

D

46.

A piece of iron and a piece of steel are picked up by an electromagnet as shown.

The current to the electromagnet is switched off. What happens?

a)

A Both the iron and the steel remain magnetised.

b)

B Neither the iron nor the steel remain magnetised.

c)

C Only the iron remains magnetised.

d)

D Only the steel remains magnetised.

47.

The diagram shows the image of a clock in a plane mirror.

What time is shown?

a)

A 02:25

b)

B 02:35

c)

C 09:25

d)

D 09:35

48.

Which diagram shows the magnetic field around a bar magnet?

a)

b)

c)

d)

49.

The diagram shows an unbalanced rod. Two loads X and Y can be moved along the rod.

The rod turns in a clockwise direction as shown. Which action could make the rod balance?

a)

A moving X to the left

b)

B moving X to the right

c)

C moving Y to the right

d)

D moving the pivot to the left

50.

The diagram shows a ray of monochromatic light passing through a semi-circular glass block.

What is the refractive index of the glass?

a)

A 0.64

b)

B 0.77

c)

C 1.31

d)

D 1.56

THIRD TERM EXAM PHYSICS

Total questions: 50

Worksheet time: 1hrs 14mins

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