A) \[16:1~\]
B) \[8:1\]
C) \[4:1\]
D) \[2:1\]
Correct Answer: C
Solution :
[c] Velocity of sound in gas \[v=\sqrt{\frac{\gamma RT}{M}}\] \[v\propto \frac{1}{M}\] \[{{M}_{{{H}_{2}}}}=2{{M}_{{{o}_{2}}}}=32\] \[{{H}_{2}}\,\,\,\,{{v}_{1}}=\frac{1}{\sqrt{2}}\] \[{{O}_{2}}\,\,\,\,{{v}_{2}}=\frac{1}{\sqrt{32}}\] \[\frac{{{v}_{1}}}{{{v}_{2}}}=\frac{4}{1}\]
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