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The constant gamma of oxygen as well as ...

The constant `gamma` of oxygen as well as for hydrogen is 1.40. If the speed of sound in oxygen is `470 ms^-1,` What wil be the speed in hydrogen at the same temperature and pressure?

A

940 m/s

B

1053m/s

C

1260 m/s

D

1880 m/s

Text Solution

Verified by Experts

The correct Answer is:
D

`V=sqrt((gammaRT)/(M)) alpha(1)/(sqrt(M))`
`(V_(H_(2)))/(V_(O_(2)))=sqrt((M_(O_(2)))/(M_(H_(2))))=sqrt((32)/(2)=(4)/(1)`
`V_(H_(2))=4xx470=1880m//s`.
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