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The ratio of velocity of sound in hydrogen and oxygen at STP is " "[2005]

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The ratio of velocity of sound in hydrogen and oxygen at STP is " "[2005]
A. `16:1`
B. `8:1`
C. `4:1`
D. `2:1`
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Correct Answer - C
Velocity of sound, `v= sqrt(gammaRT)/(M)`
`(V_(H))/(V_(0))=sqrt(M_(O))/(M_(H))=sqrt(16)/(1)=4:1`
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