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Physics · May / June 2018 · Paper 11 · Question 26

5054Sound

The diagram shows a loudspeaker that is producing a continuous sound wave of frequency 200 Hz in air. Which diagram best shows how the sound wave causes a molecule at P to move during $\frac{1}{200}$ s?

  1. AP with horizontal double-headed arrow
  2. BP with horizontal single-headed arrow to the right
  3. CP with curved wave arrow
  4. DP with vertical double-headed arrow

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Correct answer: A. P with horizontal double-headed arrow

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