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Physics (AS & A Level) · Oct / Nov 2022 · Paper 11 · Question 26

9702Stationary waves

Two waves of the same type overlap. When does the principle of superposition apply?

  1. Aalways
  2. Bonly when the waves have the same amplitude
  3. Conly when the waves have the same frequency
  4. Donly when the waves travel in opposite directions

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Correct answer: A. always

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