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  4. The average speed of gas molecules is v at pressure P. If by keeping temperature constant the pressure of gas is doubled, then average speed will become

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Q. The average speed of gas molecules is $v$ at pressure $P$. If by keeping temperature constant the pressure of gas is doubled, then average speed will become

Kinetic Theory

Solution:

$v_{\text {av }} \propto \sqrt{T}$
Since temperature is constant $v_{a v}$ is constant.