Bro i wanted this type of lecture in youtube who solve alll question which i have in my mind u r realy outstanding i love it thankkkkkkkk uuu so much sir ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
really it help a lot. whta a beautiful explanation . i really loved the way teaching .u should continue with 3d only .Among the youtube teachers u are the best 😍😍😃😃😃😃😃😃😃😃😃😃
Thank you, this video was super helpful understanding the energy diagram of lasers and how because of pop. inversion a high enough stream of photons is emitted creating a laser beam. I'm curious if with high enough voltage, that any pn junction could be a laser....?
thanks.... tomorrow i have internals 😂
thanks a ton man! i have my exam in the next 3 hours and you explained everything so clearly!
Glad to help! Which course are you into? What are the next topics you wish to see in our channel?
Same here!
we are btech ece students so cover that topics
@@vrookLearning
Me too...😂
accurate and efficient explanation, thanks a lot
You are welcome :) Which is your stream? What topics do you want us to cover on our channel?
I have my EP exam at 2 pm....😂
my tomorrow 😢😢
Kits college bro
best video on this topic for engg students
Concise simple explanation. Thank you.
You are welcome :) Which is your stream? What topics do you want us to cover on our channel?
Thank you❤️
Explaining quality is very high🔥
Very comprehensive and attractive. Thank you..
Bro i wanted this type of lecture in youtube who solve alll question which i have in my mind u r realy outstanding i love it thankkkkkkkk uuu so much sir ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
Thanks for your appreciation! It’s really encouraging to know this video helped clear your doubts. 👍
Great explanation
Thank you😊Glad it was helpful! Which is your stream? What kind of topics do you want us to cover in our videos?
Thanks sir ❤
I have a presentation tomorrow about semiconductor lasers and you helped me alot ❤❤
It is stimulated emission bro u said spontaneous emission anyway u explained it in wonderful manner .
One of the best explanation 💯💯
Glad to help. Can we know your stream? Helps us to customize to your needs.
Thanks what a amazing teaching
Incredible, thanks a lot!
Thank you😊Glad it was helpful! Which is your stream? What kind of topics do you want us to cover in our videos?
Nice explanation with animation 👍
Glad you liked it!
crazy quality and nice explanation
really it help a lot. whta a beautiful explanation . i really loved the way teaching .u should continue with 3d only .Among the youtube teachers u are the best
😍😍😃😃😃😃😃😃😃😃😃😃
Thank you😊Glad it was helpful! Which is your stream? What kind of topics do you want us to cover in our videos?
Sir perfect explanation....
Please do more videos on eng.physics....❤😊
Thank you! I have lots of other physics topics on my channel. Keep an eye out!
Thanks ur video really helpful.. Ur video is really easy to understand
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amazing video
Thanks!
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Nice presentation
Thanks a lot
One of the best video which made my concept clear in a shot
Thank you😊Glad it was helpful! Which is your stream? What kind of topics do you want us to cover in our videos?
Very gud explanation
Kal subha exam h and I'm here at raat k 12 baje 🗿
Thank you, this video was super helpful understanding the energy diagram of lasers and how because of pop. inversion a high enough stream of photons is emitted creating a laser beam. I'm curious if with high enough voltage, that any pn junction could be a laser....?
Nice sir❤️
Glad to help! Which course are you into? What are the next topics you wish to see in our channel?
Thanks a lot man
Happy to help
Which course are you into? What are the next topics you wish to see in our channel?
Nice explaination sir
Keep watching :) Thank you
The video is of 2 years ago but still on the top suggestions 😎
Thanks for appreciating the video, hope it is still helpful. 🙂
Sir you are awesome!! You explained it in such a simple manner
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Thanks ❤️😘
You're welcome 😊Glad it was helpful! Which is your stream? What kind of topics do you want us to cover in our videos?
So Good 😊💯
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Masterpeice
I have exam today at 2.30 pm 😂, much better explanation ❤❤
Hope your exam went well. Btw which exam?
Thanks, nice explanation
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Good
Thankyou so much
Thank you. Which course are you into? Help us personalize our videos to your needs.
nice intro
Thanks a lot bro ❤
You're welcome!
Which is your stream? What kind of topics would you like to see on our channel?
@@vrookLearning bro I like to seee sem2 subjects for eee stream In ur channel ur explanation was soooooo 🐣amazing
Who are listening this class before one day of exam
Owesome effective
Thank you 👍
Thank you😊Glad it was helpful! Which is your stream? What kind of topics do you want us to cover in our videos?
Em wave energy derivations please
Thankyou sir
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Sir can you make vedios on network theory of EC of 3rd sem BE??
Tomorrow is my EP2 exam🙂
Same here bro 😂
Medicine of semester end exam 😅
I have exam tomorrow 😅 EP
Thanks sir, we would like to watch 1st year Engineering Physics concepts in your channel. Ex: Quantum Mechanics
ua-cam.com/video/Xn2j7lXjsAA/v-deo.html
Here you go.
i have internals too
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@@vrookLearning transistor ce amplifier transistor as a switch
❤❤
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How about ND YAG laser?🙄
😊
:) Which is your stream? What topics do you want us to cover on our channel?
Explains LED action, does not explain coherence of light beams to for a focused laser beam
😃
Bhaiya hindi nhi aati kya 😅
thank you very much 🤍
😘