NEET Physics: "The mean free path for a gas, with molecular diameter d and number density n can be expressed as :..." — Solved MCQ | TopperSquare

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NEET PhysicsGeneralEasy

Question

The mean free path for a gas, with molecular diameter d and number density n can be expressed as :

1

$\frac{1}{\sqrt{2} n \pi d}$

2

$\frac{1}{\sqrt{2} n \pi d^2}$

3

$\frac{1}{\sqrt{2} n^2 \pi d^2}$

4

$\frac{1}{\sqrt{2} n^2 \pi^2 d^2}$

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