Cite
 

Meaning of Planck's radiation law

Planck's' radia'tion law"

Pronunciation: [key]
— Physics. Physics.
  1. the law that energy associated with electromagnetic radiation, as light, is composed of discrete quanta of energy, each quantum equal to Planck's constant times the corresponding frequency of the radiation: the fundamental law of quantum mechanics.
  2. the law giving the spectral distribution of radiation from a blackbody. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: