The ratio of speed of sound in Hydrogen to that in Oxygen at the same temperature is:
A
1:4
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B
4:1
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C
1:1
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D
16:1
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Solution
The correct option is C4:1 Speed of sound v=√RTM Both hydrogen and oxygen are diatomic gasses. Molecular weight of hydrogen =2 and that of oxygen =32 ⇒vHvo=√MoMH=√322=4