1. Water waves can be used to show reflection, refraction and diffraction.For each of these, which row shows whether or not the speed of the water waves changes?

2. Which waves are longitudinal?

3. A vertical stick is dipped up and down in water at P.In two seconds, three wave crests are produced on the surface of the water.

Which statement is correct?A Distance X is the amplitude of the waves.B Distance Y is the wavelength of the waves.C Each circle represents a wavefront.D The frequency of the waves is 3Hz.

4. The diagram shows plane water waves passing through a narrow gap in a barrier.

The waves spread out on the far side of the barrier.Which property of waves does this illustrate?A diffractionB reflectionC refractionD vibration

5. The diagram represents a wave.

How many wavelengths are there between X and Y?

A 23 B 1 C 1

12 D 3

6. The diagrams represent water waves in a tank. Which diagram represents a wave that changes speed?

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7. The diagrams show two water waves P and Q that are travelling at the same speed on the surface of a pond. The diagrams are to the same scale.

Which wave has the greater amplitude and which wave has the greater frequency?

8. Light waves pass from air into glass and are refracted. What always remains constant when this happens? A direction B frequency C speed D wavelength

9. Which diagram shows total internal reflection of light?

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10. The diagram shows four waves drawn to the same scale.

Which statement is correct?A The amplitude of wave P is the same as the amplitude of wave R.B The amplitude of wave S is double the amplitude of wave Q.C The wavelength of wave Q is double the wavelength of wave P.D The wavelength of wave S is the same as the wavelength of wave Q.

11. A scientist is trying to direct a ray of light through a glass block without any light leaving the top of the block. However, some light does leave the top.

The scientist changes angle X and stops the ray of light leaving the top.Which row in the table describes the change to angle X and the name of the effect produced?

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12. Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s rays.

Which mirror position would allow the Sun’s rays to be reflected to scout Q?

13. A small boat in a harbour is protected from waves on the sea by harbour walls.

Some waves can curve round the harbour walls and reach the boat.What is the name of this effect?A diffractionB dispersionC reflectionD refraction

14. Which row shows the nature of light waves, sound waves and X-rays?

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15. Different parts of the electromagnetic spectrum are used for different purposes. Below are four statements about parts of the spectrum.statement 1: Infra-red waves are used in television remote controllers.statement 2: Radio waves are used to transmit television pictures from satellites to Earth.statement 3: Ultra-violet waves are used for intruder alarms.statement 4: X-rays are used for security checks.

Which statements are correct?A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

16. Which list shows electromagnetic waves in order of increasing frequency?

A visible light, X-rays, γ-raysB visible light, γ-rays, X-raysC X-rays, γ-rays, visible lightD γ-rays, X-rays, visible light

17. The diagram shows a ray of white light incident on a triangular glass prism.

The ray enters the prism.Which row correctly states if the light is refracted, and if the light is dispersed?

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18. Which equation can be used to calculate the speed of sound?

19. Which diagram shows what happens when a ray of white light passes through a prism?

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20. The diagram shows a ray of light travelling from X. Angle P is less than the critical angle. In which direction does the ray continue?

21. Which statement about radio waves is correct?A They travel as longitudinal waves.B They travel at the same speed as sound waves.C They travel by means of molecular vibration.D They can travel through a vacuum.

22. Infra-red waves, microwaves, radio waves and sound waves are all used for communications.Which waves travel at the same high speed in a vacuum?A infra-red waves, microwaves and radio wavesB infra-red waves, microwaves and sound wavesC infra-red waves, radio waves and sound wavesD microwaves, radio waves and sound waves

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23. Astronaut 1 uses a hammer to mend a satellite in space. Astronaut 2 is nearby. There is no air in space.

Compared with the sound heard if they were working on Earth, what does astronaut 2 hear?A a louder soundB a quieter soundC a sound of the same loudnessD no sound at all

24. The diagram shows plane waves reflected by a plane surface.Which line represents a wavefront?

25. In a test, a car horn is found to be too loud and the pitch of the note is too high.What information does this give about the amplitude and the frequency of the sound waveproduced?

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26. 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 The sound waves are absorbed.B The sound waves are diffracted.C The sound waves are reflected.D The sound waves are refracted.

27. A ray of light is reflected by two parallel plane mirrors X and Y.

Which statement is correct?A The angle of incidence at mirror X is 30°.B The angle of incidence at mirror Y is 60°.C The angle of reflection at mirror X is 120°.D The angle of reflection at mirror Y is 0°.

28. Three loudspeakers vibrate at different frequencies of 5hertz, 25kilohertz and 50kilohertz.

Which row shows whether the vibrations from each loudspeaker can be heard by a human?

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29. Light travels from air into glass as shown below.

The refractive index of the glass is

A.

80sin30sin

B.

30sin80sin

C.

10sin60sin

D.

60sin10sin

30. The diagram below is a snapshot of wave fronts of circular waves emitted by a point source S at the surface of water. The source vibrates at a frequency f = 10.0 Hz.

The speed of the wave front is

A. 0.15 cm s–1. B. 1.5 cm s–1. C. 15 cm s–1. D. 30 cm s-1.

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