Question
Question: Speed of sound wave in a gas is v<sub>1</sub> and rms speed of molecules of the gas at the same temp...
Speed of sound wave in a gas is v1 and rms speed of molecules of the gas at the same temperature is v2. Then –
A
v1 = v2
B
v1< v2
C
v1> v2
D
v1£ v2
Answer
v1< v2
Explanation
Solution
V1 = MwγRT, V2 = Mw3RT
So V2>V1 As lmax = 1.67