Why Lasers ? Properties, stimulated emission, working, components, coherence, monochromaticity

[@smit__singh]

Didi jab me 2020 me 12 standard me tha tab maine ap ki maths ki sari video dhek ke pass hua nhi to fail ho jata aaj ap ki video dhek ke purane din yaad a gye ❤️

[@Girish_Rao]

Hey, Jojo, hope you're doing well! I'm happy to see you back! I'd love for you to upload videos relating to quantitative aptitude for college placements...❤😊

[@GHUMAKKAD.74]

❤❤❤❤❤❤❤

[@kuntal9174]

After a long time! Welcome back mam!

[@AdityaVerma-tf1lv]

I was just revisiting my Yt Playlist, and click my 4y + old Playlist of cls 12, maths, I see ur channel, u know whn I was in 12, I used to watch your lectures, for my maths, that was so so so help full,. thank you so much for everything ❤️, keep growing mam 👍

[@AchieveitwithJoJo]

I m glad that it helped 😊 Thanku for coming back to appreciate 😄 I will surely try my best ...best wishes to u too for future nd present Aditya😇

[@anuragyadav8885]

Keep it 😊

[@PawanKumar-gz7qv]

Mam mene 2021 m aapki 12 class ki sari video dekha tha 75 score rha out of 80.

[@avinashprajapati7740]

😇😇

[@anuragyadav8885]

Hii mam how are you Such a long time to see you maam❤

[@kundanmts]

Hello ma'am I am your 12th class students from 2020 I watched your lecture for 12th board exam kaise kaise karke pass hua uss waqt fir 2021 aa gaya aur ab 2024 samay bohot jaldi nikal jata hai pata nhi chalta ❤❤