Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit

Waves

356 practice questions

Start practising (181 questions)

Topics covered

Practice questions

11–20 of 181 · Normal

Question 11
3 marks · Normal
A source vibrates and produces 15 waves in 3 seconds.
(a)
Calculate the frequency of the wave.
[2 marks]
(b)
State the unit of frequency.
[1 mark]
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Question 12
2 marks · Normal
State the difference between the direction of vibration of particles in a transverse wave and a longitudinal wave.
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Question 13
4 marks · Normal
The diagram shows a wave on a spring.
A transverse wave
(a)
On the diagram, clearly label the wavelength.
[1 mark]
(b)
Mark and label the amplitude.
[1 mark]
(c)
Explain what is meant by wavelength.
[1 mark]
(d)
State the symbol for wavelength.
[1 mark]
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Question 14
3 marks · Normal
A sound wave has a frequency of 440 Hz. Calculate the time period of this wave. Show your working.
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Question 15
4 marks · Normal
A student uses a slinky spring to demonstrate waves.
(a)
Describe how the student could produce a transverse wave using the slinky.
[2 marks]
(b)
Describe how the student could produce a longitudinal wave using the slinky.
[2 marks]
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Question 16
2 marks · Normal
What is meant by the phase of a wavefront?
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Question 17
4 marks · Normal
The graph below shows the displacement of a point in a wave against time.
Wave displacement vs time
(a)
State the amplitude of the wave.
[1 mark]
(b)
Determine the time period of the wave.
[2 marks]
(c)
Calculate the frequency.
[1 mark]
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Question 18
2 marks · Normal
A sound wave travels through air at a speed of 330 m/s. If its frequency is 110 Hz, calculate the wavelength of this sound wave.
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Question 19
3 marks · Normal
The diagram shows a ripple tank setup used in a laboratory to investigate water waves.
Diagram of a ripple tank with a vibrating bar, water surface, lamp above, and waves on the water.
(a)
State the effect on the wavelength of waves if the motor produces waves at a higher frequency.
[1 mark]
(b)
Explain your answer to part (a).
[2 marks]
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Question 20
1 mark · Normal
Write down the equation that links wave speed, frequency and wavelength.
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