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单词 Stefan–Boltzmann law
释义

Stefan–Boltzmann law

/ˌstɛfanˈbəʊltsmən /
noun Physics
A law stating that the total radiation emitted by a black body is proportional to the fourth power of its absolute temperature.The Stefan-Boltzmann Law gives the total energy being emitted at all wavelengths by the blackbody (which is the area under the Planck Law curve)....
  • The Stefan-Boltzmann law tells you how much energy a blackbody radiator of a given temperature radiates per unit area of it surface.

Origin

Late 19th century: named after Josef Stefan (1835–93), Austrian physicist, and L. Boltzmann (see Boltzmann, Ludwig).

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更新时间:2024/11/14 3:28:41