sterdysalady sterdysalady
  • 12-11-2015
  • Chemistry
contestada

The glow emitted by a substance exposed to external radiation is called
A. luminescence.
B. bioluminescence.
C. fluorescence.
D. phosphorescence.

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writermarks writermarks
  • 18-11-2015
Fluorescence
when a substance absorbs external radiation in any form and gives of a glow or luminescence it is considered as Fluorescence. 
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