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Physics (AS & A Level) · Feb / March 2017 · Paper 12 · Question 2

9702Physical quantities

What is an approximate value for the speed of sound in air?

  1. A30 m s^{-1}
  2. B300 m s^{-1}
  3. C30 000 m s^{-1}
  4. D300 000 000 m s^{-1}

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Correct answer: B. 300 m s^{-1}

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