follow Dictionary.com

11 Trending Words of 2014

Planck's radiation law

noun, 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 Planck radiation formula, Planck's law.
Origin
1905-1910
1905-10; named after M. K. E. Planck
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for planck's law

Planck's law

noun
1.
(physics) a law that is the basis of quantum theory, which states that the energy of electromagnetic radiation is confined to indivisible packets (quanta), each of which has an energy equal to the product of the Planck constant and the frequency of the radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for Planck's radiation law

Few English speakers likely know this word

Word Value for planck

0
0
Scrabble Words With Friends