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

Units (Waves)

82 practice questions

Start practising (42 questions)

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Practice questions

41–42 of 42 · Normal

  1. Question 41

    3 marks · Normal

    A car is moving at a high speed with its horn sounding. Compare what an observer in front of the car hears to what an observer behind the car hears. Explain your answer.

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  2. Question 42

    5 marks · Normal

    The diagram below shows a water wave produced in a ripple tank. The motor can be set to vibrate at different frequencies.

    (a)

    Explain the difference between a transverse wave and a longitudinal wave. Give one example of each.

    [2 marks]
    (b)

    The frequency of the water waves is increased while keeping the wave speed constant. Describe and explain what happens to the wavelength.

    [2 marks]
    (c)

    On a diagram of a transverse wave, label both the amplitude and the wavelength.

    [1 mark]
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