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
Famous quotes containing the words free and/or path:
““Under an accumulation of staggerers, no man can be considered a free agent. No man knocks himself down; if his destiny knocks him down, his destiny must pick him up again.””
—Charles Dickens (1812–1870)
“They are not long, the days of wine and roses:
Out of a misty dream
Our path emerges for a while, then closes
Within a dream.”
—Ernest Christopher Dowson (1867–1900)