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How Laser works ? (Urdu/Hindi)
У вашего броузера проблема в совместимости с HTML5
This video is about Principle of LASER. LASER is about three things:
I- Stimulated Absorption
II- Spontaneous Emission
III- Stimulated Emission
I have explained this concept in the simplest manner. Enjoy the video and support me if you liked by liking, sharing and subscribing.
Link for "Why Sky looks blue":
https://youtu.be/-GZ_RiEfa6A
References:
https://en.wikipedia.org/wiki/Laser
https://www.photonics.com/a42279/A_History_of_the_Laser_A_Trip_Through_the_Light
https://www.youtube.com/watch?v=0LmcUaWuYao
Теги:
Laser laser light light Einstine Max Planck Science Physics Knowledge Chemistry beam radiation photon energy atom Electron transition Charles Hard Townes Theodore Harold Maiman Arthur Leonard Schawlow coherent laser pointers Stimulated Emission Stimulated absorption light amplification gain medium optical pumping population inversion Random guy Urdu Ruby laser solid state laser
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