@Unknown-er1ro

Agar kisi ko problem ho rha hai Language change krne ka option available hai

@ShoaibAkhtar-m7

sir I need video on CO2 laser, Argon ion Laser, Nd:YAG laser,semiconductor laser

@Praful2160

Thank you very much sir ❤

@roushansinghrajput9773

sir aapne fiber optic per bnye hai video ??

@YugPatel-m7s

last minute believe in this channel

@jayantgaming2224

Sir video on optical fibres and nanotechnology please 🥺

@seetalkumar3454

Sir
Why do we get pulsed output in ruby laser?
Ye question hamare exam mai agya tha but answer nhi pta abhi tak

@ravangaming3429

sir in this AI language we Don't understand please speak in your voice 🙏

@prashannakumarparamaguruma8007

5:58 explanation of rubby laser

@inferno23-x5d

deseved the like sir

@S.BGAMER-l8d

sir properties of nano materials qustion karaye na?

@roushansinghrajput9773

sir 2 ghante se ppt  padh padh ke tension me tha yadd nhi ker pa rha tha 😶 thank you so so much sir sem 1 ki trah iss baar bhi help kerne ke liye , now i understand ruby laser sir 🙏 sir 14 se exam end sem 2 🙏

@YugPatel-m7s

you look like walter from breaking bad web series

@YASHANKRATHORE-e4x

Thumbnail very bad, old ones were good, improve thumbnail