Planck's constant

English

Etymology

Named for Max Planck (1858–1947), German theoretical physicist, who discovered it in 1900.

Noun

Planck's constant

  1. (physics) the constant of proportionality (symbol h), relating the energy and frequency of a photon (6.626 x 10-34 joule-seconds); also related to the indeterminacy limit in the Heisenberg uncertainty principle; the quantum of action

Translations

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