1.

The velocity of sound in air at a particular temperature is 330ms^(-1). What will be its value when temperature is doubled and the pressure is halved?

Answer»

`330ms^(-1)`
`165ms^(-1)`
`330xxsqrt2ms^(-1)`
`320//sqrt2ms^(-1)`

SOLUTION :As there is no effect of change in pressure on VELOCITY of sound in air in `vpropsqrtT` therefore, when temperature is doubled, so the velocity BECOMES `330sqrt2m//s`


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