MCQ
Formula for mean free path of a gas is :
  • A
    $\lambda=\frac{1}{\sqrt{2} n \pi d^2}$
  • B
    $\lambda=\frac{ RT }{\sqrt{2} \pi d^2 PV }$
  • C
    $\lambda=\frac{ kT }{\sqrt{2} \pi d^2 P }$
  • Both (1) and (3)

Answer

Correct option: D.
Both (1) and (3)
D

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