LASER | CHAPTER 20 | ATOMIC SPECTRA | CLASS 12 PHYSICS | 100% UNDERSTANDING

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The best thing about these lectures is that teacher puts alot of efforts in animation so students could understand better and it really really helps....

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Yeah the animation helped a lot

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Right

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💯

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I didnot take any physics lecture better than this lecture.....
Thats amazing and incredible

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He makes physics much easier❤❤

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i always disliked physics but it has become my favourite subject just because of your enchanting and inspiring way of teaching..........Allah apko iska ajr dey....AMEEN

[@FriendsPhysics]

jazakAllah....stay blessed

[@mohammadzafar5185]

Amazing lecture from amazing sir...Ali 😊😇

[@manahilkhan9461]

MASHA ALLAH sir Allah appko Khush Rakhi or jaza Di ameen sumameen

[@muhammadkhurram4728]

I have no words to express my gratitude.thanks

[@sayedhamid56]

I didn’t know why these 3 people disliked this tutorial video

[@ahmedkalair9862]

If you have some free time these days, please try to cover chapter 18 as well.

[@dilawarhussain8782]

Fsc k 2 saalon mei sirf Sir Ali k lectures poori attention k Saath lieye hain!!

[@abdullahsagheer9303]

Thank you much sir.

[@sarfrazahmadkhan4170]

Assalam o Alaikum and JazakAllah khair Sir☺💕💫🦋

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Thank you sir. Too much helpful. Please upload helping material like schemes and guess etc for second year, exams are so soon. Thank you, so grateful. Allah apko humesha khush rkhy ameen

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Boht khub ❤❤❤
boht e pyara indaz❣

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U have one of the most understandable method of teacher. So helpful

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plz recommend me other great channels like of ur for fsc bio chem and English grammar.

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Chemistry and physics (Alakh Pandey).
For Bio Dr. Hafiz sultan academy

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@@tocabocalifestyle7675 right bio ke best teacher dr hafiz sultan hadi hi hai

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I will be forever grateful to you☺️. You are the best teacher 💫

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Outstanding lecture sir lockdown mein apky lectures hi han jo hamary concepts clear kr rhy han thanks

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Allah ap ka ilm ma or ziada izafa farmya thanks a lot for batter concept,🥰🥰

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I m a teacher you make me a proud teacher
Love you boss

[@aaadmalik2469]

👍👍👍👍👍 great sir g

[@DuaKhan-mf5hp]

Sir bht bht thank you.... You explained it conceptually with animation 💕
To the point smjhaya hai 💗

[@waheedkhan6564]

Best teacher Ali bhai 😍😍😍

[@uroojhamid6873]

May Allah Pak gives you everything you dreamed for,thankyou

[@muskaanart295]

Best lecture about lasers .thank you sir

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JazakAllah sir

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JazakAllah

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Thank U so much Sir❤❤Allah Aapko salamat rkhe Ameen

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Love you sir 💕

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Well 👌👌👌👌🙏

[@MaryamAli-jj4rz]

Helpful lecture sir jazakAllah

[@irtazatarar1520]

Thanks a lot sir ....great concept 👌👌

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The best lecture I have ever heard very impressive animation

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Thank you 💕 Sir. Jazak Allah

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Good effort 👍👍👍

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Sir you are a brilliant teacher
Your lectures are simple and short so we can study alot in short time
May Allah reward you for this

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Very nice sir❤
May you live long❤❤❤😊

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sr g kamal ka parhaty hn ap......a big salute to u...

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No words to explain your teaching abilities

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Superb,,

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Good job Sir. , you’re such a great teacher, I’ve ever seen teacher like you. Sir. I’m great thankful to you!

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Yup

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jazakillah Khairun

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Your method of teaching is different and good from others, JazakAllah for this ✨✨

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Sir you are so good ... thanks a lot ..!

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i m watching these lectures in 2021 lockdown. Fully Understanding. Mashallah sir you have a good teaching method.

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Amazing presentation .. excellent ..

[@man_of_20s]

Sir bht bht shukriya ...mene ghr reh k apki phy prhi h....bht umdaa sir....Thanku so much for this comfort😁😀👌🏻

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Sirrrr youu are the besttt best teacher Allah make u professer in our collegee Amennnnn Alllah bless youuuu😇😇😇😇🤗🤗

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jazakAllah
ilahi aameen

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Thank you so much great help

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Thnxx sir very useful lecture,,,,,

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thank u so much sir ..This is the best tutorial on youtube about laser.You have explained in an excellent manner. Thank u

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U r Welcome...

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Awesome!

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Great sir

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Thankx

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Thank you

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Your are the best teacher😍

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sir you have put a lot of efforts in that lecture thank you sir

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Thanks a lot!!!!!!Amazing lecture sir!!!!!!
But please increase your volume.....

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Such an amazing lecture.... Thank you 💓💓💓

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sir you are insane👍❤
may allah bless you sir ❤

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MaShaAllah great effort❤️

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Superb😊

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Amazing 😍

[@madihayasmeen435]

a. o. a sir.. jb electron excited sy metastyble state mn ay ga. kya tb photon releas ni ho ga?

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This lecture is very useful

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Jazakallah
Sir😇

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Thank you so much sir best explanation...... It helped alot🌟

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Very good method

[@shaziatariq3557]

Sir spontaneous absorption mm.tu hum na khud photon induced krwaya h phir ya spontaneous kesa hoe ???

[@Sbahad.mughal]

M lil bit confuse about He-Ne laser.. What is the middle state between meta-stable and ground state of Ne? where you mentioned that electron moves from meta state to that state having energy of 18.7 ev ?

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Best lecture!

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Extra ordinary Lecture style.....👍 THANK YOU SIRRR !!!! ❤:)

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Best physics teacher ever

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Thanku very much sir it was the difficult topic but you taught it very well

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Nicely Explained.Thank you.

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Well explain sir g

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Thank you sir it was so helpful and i understood much better...

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boht khoob Sir

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May grant you health Sir! (Amen!)

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understandable ans convenient for students......

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Amazing lecture😍😍😍

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Best ever 👍👍👍👍

[@gurdeepmetai970]

Sir population inversion me jb khud photon ko denge to metastable se electrons ground me aa rhe hain kya jo 2 electrons already ground me present hain wo use absorb krke exicted state me nhi jayen ge???

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Very very nice sir

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Luv you sir

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Very Nice