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.
Read more about Mean Free Path: Derivation, Mean Free Path in Kinetic Theory, Mean Free Path in Radiography, Mean Free Path in Particle Physics, Mean Free Path in Nuclear Physics, Mean Free Path in Optics, Mean Free Path in Acoustics, Examples
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