# Planck’s law and the light quantum hypothesis

@article{Bose1994PlancksLA, title={Planck’s law and the light quantum hypothesis}, author={Satyendra Nath Bose}, journal={Journal of Astrophysics and Astronomy}, year={1994}, volume={15}, pages={3-7} }

The phase space of a light quantum in a given volume is subdivided into “cells” of magnitudeh3. The number of possible distributions of the light quanta of a macroscopically defined radiation over these cells gives the entropy and with it all thermodynamic properties of the radiation.

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