Wikipedia:Reference desk/Archives/Science/2024 January 11
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January 11[edit]
Planck's Law and Kirchhoff-Clausius law[edit]
In § 7 Chapter II of "On the Law of the Energy Distribution in the Normal Spectrum; by Max Planck."[1], one reads:
"According to Kirchhoff-Clausius law, the energy of a temperature ϑ and the number of vibrations ν, when emitted by a black surface per unit of time into a diathermic medium, is inversely proportional to the square c2 of the propagation speed."
I did not find this law in this form anywhere . Can anyone help me understand this sentence? Malypaet (talk) 22:59, 11 January 2024 (UTC)