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The speed of sound in hydrogen at N.T.P....

The speed of sound in hydrogen at N.T.P. is 1270 metres per second. Thenthe speed in a mixture of hydrogen and oxygen containing hydrogen and oxygen in the ration ` 4 : 1` by volume, will be

A

520 m/s

B

585 m/s

C

615 m/s

D

635 m/s

Text Solution

Verified by Experts

The correct Answer is:
D
`1270=sqrt((gammaP)/(rho))`
Now, density becomes `4 rho`.
So, `sqrt((gammaP)/(4rho))=sqrt((rP)/(rho))xx1/2=1/2xx1270=635 m//s`
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RESONANCE ENGLISH-SOUND WAVES-Exercise- 3 PART - I
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  15. A person blows into the open-end of a long pipe. As a result, a high-p...

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  20. An observer moves towards a stationary source of sound with a velocity...

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