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The velocity of sound in hydrogen is 122...

The velocity of sound in hydrogen is `1224 m//s`. Its velocity in a mixture of hydrogen and oxygen containing 4 parts by volume of hydrogen and 1 part oxygen is

A

`1224 m//s`

B

`612m//s`

C

`2448m//s`

D

`306m//s`

Text Solution

Verified by Experts

The correct Answer is:
B
IF `rhoH=1`then `rho_(mix)=(4 times1+1times16)/((4+1))=4`
`v_(mix)/v_(H)=sqrt(rho_H/rho_(mix))=sqrt(1/4)=1/2`
`v_(mix)=v_H/2=1224/2=612m//s`
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