The mean free path ' \( \lambda \) ' is the average distance covered by a molecule between two s...
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0The mean free path ' \( \lambda \) ' is the average distance covered by a molecule between two successive collisions. What is the mathematical formula of mean free path?
(A) \( \lambda=\frac{1}{\sqrt{2} \pi n d^{2}} \)
(B) \( \lambda=\frac{1}{\pi n d^{2}} \)
(C) \( \lambda=\pi n d^{2} \)
(D) \( \pi n d^{2} / 2 \)
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