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Physics (AS & A Level) · May / June 2020 · Paper 13 · Question 23

9702Progressive waves

A wave travels along a coiled spring. The graph shows the variation with time of the displacement of a point on the spring. What is the frequency of the wave?

  1. A0.13 Hz
  2. B0.20 Hz
  3. C5.0 Hz
  4. D7.5 Hz

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Correct answer: D. 7.5 Hz

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