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)
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