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Planck radiation formula

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  • Planck radiation — Electromagnetic radiation which is in the state of thermal equilibrium at some temperature T. Quantum statistics of bosons results in spectrum of distribution of energy to be described by Planck s black body radiation formula …   Wikipedia

  • Planck's radiation law — 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… …   Universalium

  • Planck's radiation law — noun (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑law, ↑law of nature * * * Physics. 1. the law that energy associat …   Useful english dictionary

  • Planck , Max Karl Ernst Ludwig — (1858–1947) German physicist Planck was born at Kiel in Germany, where his father was a professor of civil law at the university. He was educated at the universities of Berlin and Munich where he obtained his doctorate in 1880. He began his… …   Scientists

  • Planck constant — Planck s relation redirects here. For the law governing black body radiation, see Planck s law. Values of h Units 6.62606957(29)×10−34 J·s[1] 4.135 …   Wikipedia

  • radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

  • Planck, Max — ▪ German physicist Introduction in full  Max Karl Ernst Ludwig Planck   born April 23, 1858, Kiel, Schleswig [Germany] died Oct. 4, 1947, Göttingen, W.Ger.  theoretical physicist who originated quantum theory, which won him the Nobel Prize for… …   Universalium

  • Planck's law — For a general introduction, see black body. In physics, Planck s law describes the spectral radiance of electromagnetic radiation at all wavelengths from a black body at temperature T. As a function of frequency u, Planck s law is written as:… …   Wikipedia

  • Planck postulate — The Planck Postulate (or Planck s Postulate) was used by Max Planck in his derivation of his law of black body radiation in 1900. It is the postulate that the energy of oscillators in a black body is quantized by::E=nh u,,where n = 1, 2, 3, ...,… …   Wikipedia

  • Hawking radiation — is a thermal radiation with a black body spectrum predicted to be emitted by black holes due to quantum effects. It is named after the physicist Stephen Hawking, who provided a theoretical argument for its existence in 1974, and sometimes also… …   Wikipedia

  • electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

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