Planck, Max (1858–1947)

Definition

Astronomy

  • German physicist who set out quantum theory – the science of energy in discrete quanta rather than continuous radiation – in work first published in 1900. Planck’s Constant (usually represented by the symbol h) gives the relationship between the frequency of a particular photon and its energy. Planck also set out the formula for the energy distribution in the spectrum of a black body.
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