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Preferred Label : radiation constants;

IUPAC definition : Fundamental physical constants characterizing black body radiation. The first radiation constant is c1 2π.h.c02 3.7417749(22) x 10E-16 W m2, the second is c2 h.c0/k 1.438769(12) x 10E-2 m K, where h is the Planck constant c0 the speed of light and k the Boltzmann constant.;

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Fundamental physical constants characterizing black body radiation. The first radiation constant is c1 2π.h.c02 3.7417749(22) x 10E-16 W m2, the second is c2 h.c0/k 1.438769(12) x 10E-2 m K, where h is the Planck constant c0 the speed of light and k the Boltzmann constant.

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05/05/2025


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