Physics
How does the speed of sound in air vary with temperature?
Sound Waves Propagation
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Answer
The speed of sound is directly proportional to the square root of temperature of the medium. It increases by about 0.61 m s-1 (or 61 cm per second) for each degree celsius rise in temperature (provided that the rise in temperature is not very large).
i.e.,
Vt = V0 + 0.61t
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