Question

31. In perfect vacuum the mean free path is
(a) Zero
(b) Infinite
(c) 2.cm
(d) 3 cm
​

Answer 1

Answer:

1.2.

Explanation:

The mean free path is the average distance that a particle can travel between two successive collisions with other particles. From Formula 1-11 it can be seen that the mean free path displays linear proportionality to the temperature and inverse proportionality to the pressure and molecular diameter.

Answer 2

Answer:

infinite is the answer