Answer to Question #88098 in Optics for Sridhar

Question #88098
Phosphorescence refers to
1)optical absorption
2)fluoresence
3) delay fluoresence
4) emission of light
1
Expert's answer
2019-04-19T10:26:38-0400

Phosphorescence is the delayed emission of light from a substance after exposure to and removal of the exciting radiation. 

Answer: 4) emission of light


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