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Effect of Temperature, Pressure and Humidity

The velocity ...

Question

The velocity of sound in air at NTP is $330 m / s$ . What will be its value temperature is doubled and pressure is halved?

330 m / s

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165 m / s

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330 \sqrt{2} m / s

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330 / \sqrt{2} m / s

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Solution

The correct option is C $330 \sqrt{2} m / s$
As there is o effect of change in pressure on velocity of sound in air, and velocity ∝T√, therefore, when temperature is doubled, velocity becomes 3302√m/s

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