-
1 Planckian
Planck·ian[ˈplæŋkiən]\Planckian locus Unbuntgebiet nt, achromatischer Bereich\Planckian radiation formula Planck'sche Strahlungsformel\Planckian radiator Planck'scher Strahler, schwarzer Körper
См. также в других словарях:
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