Define mean free path .

List the factors affecting the mean free path.

Write a note on mean free path.

Write short note on mean free path.

The expression of mean free path, if we consider that only one molecule is moving, for whom we are considering mean free path

The mean free path of a molecule of He gas is alpha . Its mean free path along any arbitrary coordinates axis will be

If the mean free path of a molecule in a gas is lambda , the mean free path of a molecule along an arbitrary coordinate axis will be: