The velocity of sound in air at NTP is 330m/s. What will be its value temperature is doubled and pressure is halved?
A
330m/s
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B
165m/s
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C
330√2m/s
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D
330/√2m/s
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Solution
The correct option is C330√2m/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