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Physics · Oct / Nov 2019 · Paper 11 · Question 29

5054Sound

What is a typical value for the speed of sound in air?

  1. A3.3 × 10⁴ cm / s
  2. B3.3 × 10⁴ m / s
  3. C3.3 × 10² km / s
  4. D3.3 × 10⁸ m / s

As printed in the paper

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Correct answer: A. 3.3 × 10⁴ cm / s

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