The Stefan-Boltzmann Law and Wien's Displacement Law are derived from the Bose-Einstein distribution. The form of the Stefan-Boltzmann law for radiant exitance from a surface is also worked out. This is a lecture from PHYS 362, Thermodynamics and Statistical Mechanics.
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For the guy who was devastated because I didn't make this video about Planck: https://www.youtube.com/shorts/I0A8Ws_Nc-k
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