Pearson Edexcel International GCSE (9–1) · PHYSICS · Chapter
Units (Waves)
82 practice questions
Topics covered
Practice questions
11–20 of 42 · Normal
Question 11
3 marks · Normal
Answer and see the solution →A source vibrates and produces 15 waves in 3 seconds.
(a)[2 marks]Calculate the frequency of the wave.
(b)[1 mark]State the unit of frequency.
Question 12
2 marks · Normal
Answer and see the solution →State the difference between the direction of vibration of particles in a transverse wave and a longitudinal wave.
Question 13
4 marks · Normal
Answer and see the solution →The diagram shows a wave on a spring.
A transverse wave (a)[1 mark]On the diagram, clearly label the wavelength.
(b)[1 mark]Mark and label the amplitude.
(c)[1 mark]Explain what is meant by wavelength.
(d)[1 mark]State the symbol for wavelength.
Question 14
3 marks · Normal
Answer and see the solution →A sound wave has a frequency of 440 Hz. Calculate the time period of this wave. Show your working.
Question 15
4 marks · Normal
Answer and see the solution →A student uses a slinky spring to demonstrate waves.
(a)[2 marks]Describe how the student could produce a transverse wave using the slinky.
(b)[2 marks]Describe how the student could produce a longitudinal wave using the slinky.
Question 16
2 marks · Normal
Answer and see the solution →What is meant by the phase of a wavefront?
Question 17
4 marks · Normal
Answer and see the solution →The graph below shows the displacement of a point in a wave against time.
Wave displacement vs time (a)[1 mark]State the amplitude of the wave.
(b)[2 marks]Determine the time period of the wave.
(c)[1 mark]Calculate the frequency.
Question 18
2 marks · Normal
Answer and see the solution →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.
Question 19
3 marks · Normal
Answer and see the solution →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)[1 mark]State the effect on the wavelength of waves if the motor produces waves at a higher frequency.
(b)[2 marks]Explain your answer to part (a).
Question 20
1 mark · Normal
Answer and see the solution →Write down the equation that links wave speed, frequency and wavelength.