First slide

Kinetic theory of ideal gases

Question

When temperature of a gas is increased, fraction of gas molecules travelling with most probable speed

Easy

A

Remains same
B

Decreases
C

Increases
D

Cannot be said

Solution

$V_{M P} = \sqrt{\frac{2 R T}{M}} α \sqrt{T}$
When temperature increases, molecules speed up, in general. But fraction of molecules travelling with a specific velocity decrease.

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