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Population Inversion: A Necessary Condition
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In this lecture will come to know about importance of the population inversion fore light amplification

Priya Sharma
Persuing M.Sc(Physics)Hons and Gold Medalist in B.Sc.(Physics) of Lovely Professional University.Passioante to learn more n more.

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Unacademy user
sir, in question which is related to animal....the answer is not match with the options. is the given options is wrong?