Radiation Laws
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Radiation Laws
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1. The four physical laws which, together, fundamentally describe the behavior
of black-body radiation: (a) the Kirchhoff law is essentially a thermodynamic
relationship between emission and absorption of any given wavelength at a
given temperature; (b) the Planck law describes the variation of intensity
of black-body radiation at a given temperature, as a function of wavelength;
(c) the Stefan-Boltzmann law relates the time
rate of radiant energy emission from a black body to its absolute temperature;
(d) the Wien law relates the wavelength of maximum intensity
emitted by a black body to its absolute temperature.
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2. All the more inclusive assemblage of empirical and theoretical laws describing
all manifestations of radiative phenomena; e.g., Bouguer law and Lambert
law.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
