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Question: The mean free path of gas molecules depends on (d = molecular diameter)...

The mean free path of gas molecules depends on (d = molecular diameter)

A

d

B

d2d^{2}

C

d−2d^{- 2}

D

d−1d^{- 1}

Answer

d−2d^{- 2}

Explanation

Solution

Mean free path λ=12πd2n\lambda = \frac{1}{\sqrt{2}\pi d^{2}n}Ž λ∝d−2\lambda \propto d^{- 2}