Planck constant

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  • 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 constant — Planko konstanta statusas T sritis Standartizacija ir metrologija apibrėžtis Apibrėžtį žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. Planck constant vok. Plancksche Konstante, f; Plancksches Wirkungsquantum, n rus. квант действия …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • Planck constant — Planko konstanta statusas T sritis chemija apibrėžtis Fizikinė konstanta kvantiniams procesams apibūdinti (h = 6,626·10⁻³⁴ J·s). santrumpa( os) h atitikmenys: angl. Planck constant rus. постоянная Планка …   Chemijos terminų aiškinamasis žodynas

  • 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 constant theory — (plahngk) [Max Karl Ernst Ludwig Planck, German physicist, 1858–1947] see under constant, and see quantum theory, under theory …   Medical dictionary

  • Planck's constant — [plaŋks, pläŋks] n. [after PLANCK Max (Karl Ernst Ludwig)] Physics a universal constant ( h) which gives the ratio of a quantum of radiant energy ( E) to the frequency (ν) of its source: it is expressed by the equation E = hν, and its approximate …   English World 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 temperature — The Planck temperature, named after German physicist Max Planck, is the unit of temperature, denoted by TP, in the system of natural units known as Planck units. It is one of the Planck units that represent a fundamental limit of quantum… …   Wikipedia

  • Planck time — In physics, the Planck time ( tP ), is the unit of time in the system of natural units known as Planck units. It is the time it would take a photon travelling at the speed of light in a vacuum to cross a distance equal to the Planck length.cite… …   Wikipedia

  • 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

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