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photoelectric effect

   Also found in: Medical, Legal, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
photoelectric effect
n.
Ejection of electrons from a substance by incident electromagnetic radiation, especially by visible light.
photoelectric effect
The emission of electrons from a material, such as a metal, as a result of being struck by photons. Some substances, such as selenium, are particularly susceptible to this effect. The photoelectric effect is used in photoelectric and solar cells to create an electric potential. Also called photoemission.


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