MHT CET 2026 Physics question
The ratio of the speed of sound in helium gas to that in nitrogen gas at 295 K is
(Ratio of specific heats for helium is and that for nitrogen is . Molecular weight for helium and nitrogen are 4 and 28 respectively.)
Answer: (D)
Solution
The speed of sound in a gas is . At the same temperature, $ = = = =
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