Planck-Einstein relation (Planck relation)

Photon energy is proportional to its frequency:

e n e r g y = (p l a n c k s c o n s t a n t) * (f r e q u e n c y)

(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 ( $h$ , 6.62E-34) Planck-Einstein relation 131 1
  - Reduced Planck constant ( $ℏ$ , $h / 2 π$ ) Planck constant 11

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Quantum mechanics
Particle physics
Physics
Natural science
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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