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Mukti Prasoon Ghose
Asked: 2022-10-29T00:44:46+05:30 In:

The speed of sound in hydrogen is `1270 ms^(-1)` at temperature T. the speed at the same T in a mixture of oxygen and hydrogen mixed in a volume ratio 1:4 will be ?
A. 520 m/s
B. 585 m/s
C. 615 m/s
D. 635 m/s

The speed of sound in hydrogen is `1270 ms^(-1)` at temperature T. the speed at the same T in a mixture of oxygen and hydrogen mixed in a volume ratio 1:4 will be ?
A. 520 m/s
B. 585 m/s
C. 615 m/s
D. 635 m/s
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1 Answer

  1. Correct Answer – 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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