noun
- Physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality is given by Planck's constant. (.
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). planck's law. Retrieved September 24, 2026, from http://smartdefine.org/planck%27s_law/definitions/1214494 |
| Chicago | WordNet. 2010. "planck's law" http://smartdefine.org/planck%27s_law/definitions/1214494 (accessed September 24, 2026). |
| Harvard | WordNet 2010, planck's law, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/planck%27s_law/definitions/1214494>. |
| MLA | WordNet. "planck's law" 23 October 2010. Web. 24 September 2026. <http://smartdefine.org/planck%27s_law/definitions/1214494> |