Pearson Edexcel International GCSE (9–1) · PHYSICS · Unit
Waves
356 practice questions
Topics covered
Practice questions
51–60 of 181 · Normal
Question 51
2 marks · Normal
Answer and see the solution →State what is meant by a wavefront and explain how it relates to the vibrations of a wave.
Question 52
1 mark · Normal
Answer and check →Which of the following statements is correct for a transverse wave?
- A.The vibrations are parallel to the direction of energy transfer.
- B.The vibrations are perpendicular to the direction of energy transfer.
- C.There are no vibrations in the wave.
- D.The frequency is measured in metres.
Question 53
4 marks · Normal
Answer and see the solution →The diagram below shows two types of waves on springs.
(a)[2 marks]Wave A and Wave B on springs Label which wave (A or B) is transverse and which is longitudinal.
(b)[2 marks]Explain your answer referring to the movement of the coils relative to the direction of energy transfer.
Question 54
3 marks · Normal
Answer and see the solution →A wave source produces 8 complete waves every second. Each wave has a wavelength of 0.25 m.
(a)[1 mark]State the frequency of the wave.
(b)[2 marks]Calculate the time period of the wave.
Question 55
3 marks · Normal
Answer and see the solution →The diagram shows a wave travelling along a rope.
A transverse wave on a rope (a)[2 marks]Mark and label the amplitude (A) and the wavelength (λ) on the diagram.
(b)[1 mark]State what is meant by amplitude.
Question 56
2 marks · Normal
Answer and see the solution →Describe how the particles in a spring vibrate when a longitudinal wave passes through it. Include reference to the direction of energy transfer.
Question 57
3 marks · Normal
Answer and see the solution →A sound wave has a frequency of 400 Hz. Calculate the period of one vibration.
Question 58
2 marks · Normal
Answer and see the solution →Explain how you could identify points on a spring that are on the same wavefront.
Question 59
1 mark · Normal
Answer and check →Which statement correctly describes the motion of a particle in a transverse wave?
- A.It vibrates at right angles to the direction the wave is travelling.
- B.It vibrates along the same direction as the wave is travelling.
- C.It moves in circles as the wave passes.
- D.It stays motionless while the wave passes.
Question 60
3 marks · Normal
Answer and see the solution →A student is investigating waves along a stretched rope. She creates 12 complete waves in 3 seconds.
(a)[1 mark]Calculate the frequency of the waves.
(b)[1 mark]State the unit for frequency.
(c)[1 mark]Explain what is meant by the ‘frequency’ of a wave.