Sunday, April 3, 2016

True or False : Fluorescence is the term used to describe the light given off by a phosphor after it has been exposed to a high-ebergy electron beam. Explain your answer. Or, Explain phosphorescence, Fluorescence & persistence.



False. Phosphorescence is the term used to describe the light given off by a phosphor after it has been exposed to a high - energy electron beam.

Fluorescence is the term used to describe the light given off by a phosphor while it being exposed to an electron beam.

Persistence : Persistence is the term used to describe the duration of  phosphorescence exhibited by a phosphor.
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