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Physics (AS & A Level) · Oct / Nov 2021 · Paper 12 · Question 27

9702Stationary waves

A stationary wave is produced on a string that is stretched between two fixed points that are a distance of 1.35 m apart, as shown. The speed of the waves on the string is 450 m s⁻¹. What is the frequency of oscillation of the stationary wave?

  1. A333 Hz
  2. B405 Hz
  3. C500 Hz
  4. D1000 Hz

As printed in the paper

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Correct answer: C. 500 Hz

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