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The speed of sound in agas at N.T.P. is ...

The speed of sound in agas at N.T.P. is 300 `ms^(-1)`. If the pressure increases 4 times without change in temperature, the velocity of sound will be

A

150 `ms^(-1)`

B

300 `ms^(-1)`

C

600 `ms^(-1)`

D

120 `ms^(-1)`

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The correct Answer is:
B
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