Question

If $d$ is the average diameter of the molecule, then the mean free path of the molecules between two successive collisions is proportional to

• A. $d$
• B. $d^2$
• C. $\frac{1}{d}$
• D. $\frac{1}{d^2}$
• E. $\frac{1}{d^3}$

Answer 1

Answer: (D)

Correct answer is (d) $\frac{1}{d^2}$