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Velocity of sound in air at NTP is 331 m...

Velocity of sound in air at NTP is `331 ms^(-1)` recalculate the velocity at 27°C.

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We are given, `v_(1) = 331 ms^(-1), T_(1)= 273 + 27 300 K`
We are to calculate, `v_(2)`
We know that, `v prop sqrt(T)`
Usig relation, `v_(1)/v_(2) = sqrt(T_(1)/T_(2))`
We have, `v_(2) = v_(1) sqrt(T_(2)/T_(1)) = 331 = sqrt(300/273) = 347 ms^(-1)`
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