Planck's law

Planck's law
физ. закон Планка

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

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  • 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's law — noun (physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality… …   Useful english dictionary

  • planck distribution law — noun Usage: usually capitalized P Etymology: after Max K. E. L. Planck : planck radiation law …   Useful english dictionary

  • planck radiation law — noun Usage: usually capitalized P Etymology: after Max K. E. L. Planck 1. : a law in physics: radiant energy arising from processes within atoms or molecules is emitted in finite quanta each of which is equal to the product of the radiation… …   Useful english dictionary

  • 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 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 (disambiguation) — Max Planck was one of the most important German physicists of the late 19th and early 20th century, and is considered to be the founder of quantum theory.Planck may also refer to: * Planck s law of black body radiation * Planck s constant *… …   Wikipedia

  • law of nature — noun a generalization that describes recurring facts or events in nature (Freq. 3) the laws of thermodynamics • Syn: ↑law • Hypernyms: ↑concept, ↑conception, ↑construct • …   Useful english dictionary

  • planck constant — ˈpläŋk noun Usage: usually capitalized P Etymology: after Max K. E. L. Planck died 1947 German physicist : the constant h in the Planck radiation law now found also in numerous formulas concerned with quantized energy and having a probable value… …   Useful english dictionary

  • Planck units — are units of measurement named after the German physicist Max Planck, who first proposed them in 1899. They are an example of natural units, i.e. units of measurement designed so that certain fundamental physical constants are normalized to 1. In …   Wikipedia


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