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Questions  

Compare the velocities of sound in hydrogen and carbon dioxide 

a
2.3
b
4.85
c
2.5
d
5.6

detailed solution

Correct option is B

Speed of Sound in gas V=γRTM ⇒V1V2=γ1M2γ2M1 ⇒V1V2=1.41.3×4421/2=4.85

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