Planck-Einstein relation (Planck relation)

Photon energy is proportional to its frequency:

e n er g y = (pl an c k s co n s t an t) * (f re q u e n cy)

(32)

or with common weird variables:

E = h * ν

(33)

This only makes sense if the photon exists, there is no classical analogue, because the energy of classical waves depends only on their amplitude, not frequency.

Experiments that suggest this:

photoelectric effect
Compton scattering

Table of contents 184 2
- Planck constant ( $h$ , $6.62607015 \times 1 0^{- 34} J \cdot s$ ) Planck-Einstein relation 131 1
  - Reduced Planck constant ( $ℏ$ , $h /2 π$ ) Planck constant 11

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Quantum mechanics
Particle physics
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 Incoming links (5)

Compton scattering
Hydrogen 1-2 spectral line
Photoelectric effect
Planck constant
Spontaneous parametric down-conversion

 Synonyms (1)

Planck relation