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:
“We must be free or die, who speak the tongue
That Shakespeare spake; the faith and morals hold
Which Milton held.”
—William Wordsworth (1770–1850)
“If a man can write a better book, preach a better sermon, or make a better mouse-trap, than his neighbor, though he build his house in the woods, the world will make a beaten path to his door.”
—Ralph Waldo Emerson (1803–1882)