Questão 1
Questão
Sound waves of frequency 2.0 kHz travel through a substance at a speed of 800 m/s.
What is the wavelength of the waves?
Responda
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A 0.40 m
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B 2.5 m
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C 400 m
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D 1600 m
Questão 2
Questão
The frequency of a wave is doubled. The speed of the wave does not change.
What happens to the wavelength of the wave?
Questão 3
Questão
A water wave passes into a region where the wave travels more slowly.
As it passes into the slow region, what happens to the frequency and what happens to the wavelength of the wave?
Questão 4
Questão
Which row shows the natures of light waves, sound waves and X-rays?
Questão 5
Questão
Which is a unit of wavelength?
Responda
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A hertz
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B metre
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C metre per second
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D second
Questão 6
Questão
The diagrams show water waves that move more slowly after passing into shallow water.
Which diagram shows what happens to the waves?
Questão 7
Questão
What is the number of wavefronts per second that pass a fixed point?
Responda
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A the amplitude of the wave
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B the frequency of the wave
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C the speed of the wave
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D the wavelength of the wave
Questão 8
Questão
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?
Questão 9
Questão
The diagrams represent water waves in a tank.
Which diagram represents a wave that changes speed?
Questão 10
Questão
The diagram shows a side view of a water wave at a particular time. The diagram is drawn full size.
Which statement about the wave is correct?
Responda
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A The wave is longitudinal and the frequency can be measured from the diagram.
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B The wave is longitudinal and the wavelength can be measured from the diagram.
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C The wave is transverse and the frequency can be measured from the diagram.
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D The wave is transverse and the wavelength can be measured from the diagram.
Questão 11
Questão
The diagram shows a water wave approaching a barrier with a gap.
The wave reaches point P.
What is the name of the effect that causes the wave to reach point P?
Responda
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A diffraction
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B dispersion
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C reflection
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D refraction
Questão 12
Questão
The diagram represents a water wave.
Which row shows the amplitude and the wavelength of the wave?
Questão 13
Questão
Which row correctly defines a type of wave and gives a correct example?
Questão 14
Questão
A water wave moves quickly in deep water.
The wave now enters shallow water and its speed decreases.
Which row shows what happens to the frequency of the wave, and what happens to the wavelength of the wave?
Questão 15
Questão
The diagram shows a water wave passing through a gap in a harbour wall. The wavefronts curve round the wall and reach a small boat in the harbour.
What is the name of this curving effect, and how can the gap be changed so that the wavefronts do not reach the boat?
Questão 16
Questão
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?
Responda
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A diffraction
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B dispersion
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C reflection
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D refraction
Questão 17
Questão
The diagram shows four waves drawn to the same scale.
Which statement is correct?
Responda
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A The amplitude of wave P is the same as the amplitude of wave R.
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B The amplitude of wave S is double the amplitude of wave Q.
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C The wavelength of wave Q is double the wavelength of wave P.
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D The wavelength of wave S is the same as the wavelength of wave Q.
Questão 18
Questão
Which waves are longitudinal?
Questão 19
Questão
Waves travel more quickly on the surface of water when the water is deep.
A stone is dropped at point X into a pool of varying depth. The diagram shows the first wavefront on the surface of the pool.
The region between X and which labelled point is likely to be the deepest?
Questão 20
Questão
Radio waves are received at a house at the bottom of a hill.
The waves reach the house because the hill has caused them to be ........
Responda
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A diffracted.
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B radiated.
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C reflected.
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D refracted.