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7 July, 21:44

Which statement is true?

A. The speed of sound in air is inversely proportional to the temperature of the air.

B. The speed of sound in air is directly proportional to the temperature of the air.

C. The speed of sound in air is twice the temperature of the air.

D. The speed of sound in airis not affected by the temperature of the air.

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Answers (1)
  1. 8 July, 00:37
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    The correct answer is B. The speed of sound in air is directly proportional to the temperature of the air.

    When the temperature increases so does the speed of sound. Sound is faster by 0.60 m/s for every higher degree in air temperature because the air density is reduced and the sound can travel faster.
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