Planck's Radiation Law
Intuitive
See
Thermodynamics and Quanta in Plancks Work
by Klein
Concrete
A better presentation of Planck's Radiation Law
by Marr and Wilkin
Abstract
The motto in this section is:
the higher the level of abstraction, the better
.
Why is it interesting?
Planck's Radiation Law was a crucial step in the historical development of
Quantum Mechanics
.