Q.

Compare the velocities of sound in hydrogen and carbon dioxide

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a

2.3

b

4.85

c

2.5

d

5.6

answer is B.

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Detailed Solution

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