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Photosynthesis — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYPhotosynthesis2 Marks
Question
Define the term fluorescence.
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Answer

The electron from first singlet state (SI) returns to ground state (SO) by releasing energy in the form of radiation energy (light) in the red region and this is known as fluorescence.

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