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

Properties of Waves

122 practice questions

Start practising (122 questions)

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Practice questions

121–122 of 122

  1. Question 121

    4 marks · Normal

    A car horn is sounding as the car approaches and then passes you while you stand at the roadside.

    (a)

    Describe what happens to the pitch of the sound you hear as the car approaches, passes you, and moves away. Explain your answer using wave ideas.

    [3 marks]
    (b)

    What is the name of this effect, and does it happen for all types of waves?

    [1 mark]
    Answer and see the solution →

  2. Question 122

    4 marks · Normal

    The graph below shows the displacement of a point on a string as a wave passes along it.

    Displacement of a point on a string over time00.010.020.030.04-10-50510Time (s) (s)Displacement (mm) (mm)Displacement of a point on a string over time
    Wave displacement versus time
    (a)

    What is the amplitude of the wave shown on the graph?

    [1 mark]
    (b)

    Determine the time period of the wave.

    [1 mark]
    (c)

    Calculate the frequency of the wave.

    [2 marks]
    Answer and see the solution →