Laser and Applications | 20 Important MCQs | Unit 2 | | PHY110 | LPU

Описание: In this video, I will let you know 20 Most important and Frequently asked MCQs of Unit 2 which is Laser and Applications of Subject code phy110 ( ENGINEERING physics). Please do watch the complete video for in-depth information.

Unit 1 MCQs :-    • Electromagnetic theory | 20 Important MCQs...  
Unit 3 MCQs :-    • Fiber Optics | 20 Important MCQs | Unit 3 ...  



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Topics covered in this video:
Most important MCQs of phy110
Lasers and applications : fundamentals of laser- energy levels in atoms, Radiation matter
interaction, Absorption of light, spontaneous emission of light, stimulated emission of light, population
of energy levels, Einstein A and B coefficients, metastable state, population inversion, resonant
cavity, excitation mechanisms, Nd - YAG, He-Ne Laser, Semiconductor Laser, lasing action, properties
of laser, applications of laser: holography

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