Question

write a short note on mean free path
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Answer 1

Explanation:

In physics, the mean free path is the average distance travelled by a moving particle (such as an atom, a molecule, a photon) between successive impacts (collisions), which modify its direction or energy or other particle properties.

Answer 2

Heya mate........

The mean free path is the distance that a molecule travels between collisions. Themean free path is determined by the criterion that there is one molecule within the "collision tube" that is swept out by a molecular trajectory. The criterion is: λ (N/V) π r² ≈ 1, where r is the radius of a molecule.

Hope this will help you...

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