“Stefan's law”的概念、定义、习题解题方法及翻译-物理辞典

单词	Stefan's law
释义	Stefan's law(Stefan-Boltzmann law) The total energy radiated per unit surface area of a black body in unit time is proportional to the fourth power of its thermodynamic temperature. The constant of proportionality, the Stefan constant (or Stefan-Boltzmann constant ) has the value 5.6697 × 10^-8 J s^-1 m^-2 K^-4. The law was discovered by the Austrian physicist Joseph Stefan (1853–93) and theoretically derived by Ludwig Boltzmann
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