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Physics (AS & A Level) · Oct / Nov 2023 · Paper 11 · Question 26

9702Stationary waves

A musical organ produces notes by blowing air into a set of pipes that are open at one end and closed at the other. The speed of sound in the air in the pipes is 320 m s–1. What is the lowest frequency of sound produced by a pipe of length 10 m?

  1. A4 Hz
  2. B8 Hz
  3. C16 Hz
  4. D32 Hz

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Correct answer: B. 8 Hz

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