Planck's Constant

A fundamental physical constant, the elementary quantum of action, it is the ratio of the energy of a photon to its frequency.
h = 6.62606877x10-34Js

alternatively in electron volt seconds

h = 4.1356672710-15 eV s

See also: Dirac′s Constant, Photons, Physical Constants, Planck, Max.

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Subjects: Physics