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Physics (AS & A Level) · May / June 2022 · Paper 12 · Question 27

9702Stationary waves

A stationary wave on a stretched string is set up between two points P and T. Which statement about the stationary wave is correct?

  1. APoint R is at a node.
  2. BPoints Q and S vibrate in phase.
  3. CThe distance between P and T is three wavelengths.
  4. DThe wave transfers energy from P to T.

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Correct answer: B. Points Q and S vibrate in phase.

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