Planck constant
id:
planck-constant-206-15781048
title:
Planck constant
text:
The Planck constant, or Planck's constant, denoted by h, is a fundamental physical constant of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum. The constant was postulated by Max Planck in 1900 as a proportionality constant needed to explain experimental black-body radiation. Planck later referred to the constant a
brand slug:
wiki
category slug:
encyclopedia
description:
Physical constant in quantum mechanics
original url:
https://en.wikipedia.org/wiki/Planck_constant
date created:
2001-10-27T23:25:29Z
date modified:
2024-09-10T21:57:40Z
main entity:
{"identifier":"Q122894","url":"https://www.wikidata.org/entity/Q122894"}
image:
fields total:
13
integrity:
15