If c is r.m.s. speed of molecules in a gas and v is the speed of sound waves in the gas,

Question

If c is r.m.s. speed of molecules in a gas and v is the speed of sound waves in the gas,

If c is r.m.s. speed of molecules in a gas and v is the speed of sound waves in the gas, show that c/v is constant and independent of temperature for all diatomic gases.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

c=√3P/ρ = √3RT/M, v = √γP/ρ = √γRT/M

c/v = √3/γ and γ = 7/5 for diatomic gases.

4 views Answered 2023-02-05 15:29