First slide

Travelling wave

Question

Sound velocity is maximum in

Moderate

A

H₂
B

N₂
C

He
D

O₂

Solution

$v = \sqrt{\frac{γRT}{M}} \Rightarrow v \propto \sqrt{\frac{γ}{M}}$ . Since this quantity is minimum for H₂ so sound velocity is maximum in H₂.

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