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Semi Conductor Laser
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In this lecture we will focus on semiconductor lasers and its important feartures

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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U
Unacademy user
sir for the 1st question , nota is being used in rs polls since 2014. Isn't it?
Jaikishan Kumar
2 years ago
PLASE READ IT : http://www.thehindu.com/news/national/nota-in-rs-polls-an-explainer/article19417292.ece