This video about Laser light, How laser work and LED light in Bangla.

✅Video about "Attosecond" :    • এটোসেকেন্ড সাইন্স Attosecond and Nobe...  
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Chapters:
00:00 - Intro
00:44 - Laser light properties
01:36 - How LED works?
02:58 - History of laser
04:05 - How laser works?
07:38 - Use of laser
10:15 - Misuse of laser pointer

#BigganPiC #laser #light #LED #Education #maser #history #physics
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