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

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 ...   ****************************************************************** 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 **************************************************************************** Disclaimer:- The video is made solely for educational purposes and is not created with an intent to harm, injure or defame any person, body of persons, association, company or anyone. Details in the video like Home address, Email addresses, Sign-in credentials, Phone numbers, Passport number, Bank account information are demo do not belong to a real human. Some contents are used for educational purposes under fair use. Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use. All credit for copyright material used in the video goes to the respected owner. This video is not intended to spread rumours, offend, or hurt the sentiments of any religion, communities or individuals, or to bring disrepute to any person (living or dead). The viewer should always do their diligence and anyone who wishes to apply the ideas contained in the video takes full responsibility for it. Also, it is done at their own risk and consequences. The material contained in this video cannot replace or substitute for the services of trained professionals in any field including, but not limited to, financial, medical, psychological or legal matters. Sourabh Singh and the producers do not take responsibility for any direct, indirect, implied, punitive, special, incidental, or other consequential damages arising directly or indirectly on account of any actions taken based on the video. Sourabh Singh and the producers of the video disclaim any kind of claim of libel, slander or any other kind of claim or suit of any sort. Viewers discretion is advised.