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12 questions
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
diffracted
radiated
reflected
refracted
Which is a unit of wavelength?
hertz
meter
meter per second
second
Which list contains only transverse waves?
infra-red waves, light waves, sound waves
infra-red waves, light waves, ultraviolet waves
infra-red waves, sound waves, ultraviolet waves
light waves, sound waves, ultraviolet waves
The diagram shows a wave. Which labelled distance is the wavelength?
A
B
C
D
What is the number of wavefronts per second that pass a fixed point?
Amplitude
Frequency
Speed
Wavelength
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?
diffraction
dispersion
reflection
refraction
Which waves are longitudinal?
A
B
C
D
Which row shows an example of a transverse wave and an example of a longitudinal wave?
A
B
C
D
A boy throws a small stone into a pond. Waves spread out from where the stone hits the water and travel to the side of the pond.
The boy notices that eight waves reach the side of the pond in a time of 5.0s.
What is the frequency of the waves?
0.20 Hz
0.63 Hz
1.6 Hz
40 Hz
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?
0.40 m
2.5 m
400 m
1600 m
The frequency of a wave is doubled. The speed of the wave does not change.
What happens to the wavelength of the wave?
It becomes four times as large.
It does not change.
It doubles.
It halves.
The diagrams show water waves that move more slowly after passing into shallow water.
Which diagram shows what happens to the waves?
A
B
C
D
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