Planck blackbody distribution law

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• 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 — ▪ 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

• blackbody radiation — noun the electromagnetic radiation that would be radiated from an ideal black body; the distribution of energy in the radiated spectrum of a black body depends only on temperature and is determined by Planck s radiation law • Syn: ↑black body… …   Useful english dictionary

• Planck's constant — Physics. the fundamental constant of quantum mechanics, expressing the ratio of the energy of one quantum of radiation to the frequency of the radiation and approximately equal to 6.624 × 10 27 erg seconds. Symbol: h Also, Planck constant. [1905… …   Universalium

• 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

• 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

• Wien's displacement law — Wien s Law redirects here. For the historical distribution law, see Wien s Distribution Law. Black body thermal emission intensity as a function of wavelength for various absolute temperatures. Wien s law is not obvious in the picture, because… …   Wikipedia

• Albert Einstein — Einstein redirects here. For other uses, see Einstein (disambiguation) …   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

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium