Ray Optics 10 : Refraction Of Light : Snell's Law & Refractive Index JEE/NEET

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12th Chapter 9 : Ray Optics 01 : Introduction & Reflection in a Plane Mirror JEE /NEET
ruclips.net/video/_nGZGo4gHGo/видео.html
Ray Optics 02 : Number of Images formeed by Two Plane Mirrors JEE/NEET
ruclips.net/video/xLMFyXXUfTs/видео.html
Ray Optics 03 : Velocity in Plane Mirror - Velocity of Object & Velocity of Image JEE/NEET
ruclips.net/video/-zjwlf1sPtQ/видео.html
Ray Optics 04 : Spherical Mirrors: Introduction :Focus ,Focal Length & Focal Plane - Sign Convention
ruclips.net/video/NdJEdh3xC2Y/видео.html
Ray Optics 05 : Image Formation by Concave & Convex Mirror for Different Position of Object JEE/NEET
ruclips.net/video/iEMPrqdGPMU/видео.html
Ray Optics 06 : Mirror's Formula -Derivation for Concave & Convex Mirror +Basic Numericals + Concept
ruclips.net/video/bSxWxqfhIYE/видео.html
Ray Optics 07 : Magnification - Magnification & Mirror's Formula Best Numericals JEE/NEET
ruclips.net/video/P2pLDPj-DWk/видео.html
Ray Optics 08 : Combination Of Mirrors - Concept of Virtual Object JEE /NEET
ruclips.net/video/GLBzqqpcRF4/видео.html
Ray Optics 09 : Velocity in Spherical Mirrors - Velocity Of Object & Velocity Of Image JEE/NEET
ruclips.net/video/IHL0rxbPWJo/видео.html
Ray Optics 10 : Refraction Of Light : Snell's Law & Refractive Index JEE/NEET
ruclips.net/video/VimYgbSw28g/видео.html
Ray Optics 11 : Real Depth and Apparent Depth - Complete Concept with Best Numericals JEE/NEET
ruclips.net/video/rUi_chxd_qE/видео.html
Ray Optics 12 : Refraction - Shift through a Glass Slab : JEE/NEET
ruclips.net/video/18DZxFMlNqE/видео.html
Ray Optics 13 : Critical Angle and Total Internal Reflection - TIR - JEE/NEET
ruclips.net/video/GIv3PN9vcR8/видео.html
Ray Optics 14 : Refraction through Prism : Concept , Numericals & Minimum Deviation Case JEE/NEET
ruclips.net/video/DnC5-gM81qc/видео.html
Ray Optics 15 : Refraction from Spherical Surfaces - Formula - Derivation and Numericals JEE/NEET
ruclips.net/video/SZm0KLuRpKI/видео.html
Ray Optics 16 : Lens - Introduction : It's Types , Optical Centre , Focus , Focal Length JEE/NEET
ruclips.net/video/-K9yueGZ5pI/видео.html
Ray Optics 17 :Image Formation By Convex and Concave Lens for different Positions of Object JEE/NEET
ruclips.net/video/jJB4roc5n2E/видео.html
Ray Optics 18 : Lens Maker's Formula - Derivtion and All Types of Numericals JEE/NEET
ruclips.net/video/KYHt5Dxza5Y/видео.html
Ray Optics 19 : Magnification - Magnification & Len's Formula with Best Numericals JEE/NEET
ruclips.net/video/_E_6EcA6Kr4/видео.html
Ray Optics 20 : Combination of thin lenses in Contact II Cutting Of Lenses II Power - JEE/NEET
ruclips.net/video/8i1_zA336Pc/видео.html
Ray Optics 21 : Silvering Of One Surface Of Lens - Silvered Lens JEE/NEET
ruclips.net/video/3eX52D-7G80/видео.html
Ray Optics 22 : Microscope - Simple Microscope & Compound Microscope - JEE/NEET
ruclips.net/video/-QIximwdKYI/видео.html
Ray Optics 23 : Telescope - Refracting Telescope & Reflecting Telescope JEE/NEET
ruclips.net/video/n8nCGAg3AuU/видео.html

[@adarshrastogi8570]

Guru g danwwadd sukriya thanxx uu allahh bagwaan god thanxx

[@challengex8401]

sir ji is summer vacation mai apse Milne aa RHA hui......
kya mai aa skta hui??

[@ritikmishra5709]

सरजी मेरे साथ वृन्दावन चलोगे।

[@shivanisharma5840]

Thanx sir we will definitely support ur work...... A big thanx to u and ur work

[@VishalYadav-lc1ej]

Llllllllllllol

[@mamtasanjaykarn6588]

प्रणाम सर।
मेरा बेटा आपके भरोसे पर कोचिंग छोड़ दिया है और आपका विडियो देख कर ही नीट परीक्षा की तैयारी कर रहा है। आप उन मिडिल क्लास वाले लोगों के लिए बहुत ही अच्छा काम कर रहे हैं करते रहिये।
बहुत बहुत बधाई एवं शुभकामनाएं।
धन्यवाद।

[@kolidnyaneshwar7268]

🙏

[@amrutrajyadwad]

Aapka beta akela nahi sir...hum bhi sab chod ke baithe hai gharpe...bas padhna nahin choda

[@ItsMeRishi]

@@amrutrajyadwad bhaiya sir ke bharose mat raho yaar unko pareshaan kahe karte ho sab log saari cheeze chod ke baithe hai yaar unko bhi kitni dikkat ho rhi hogi pehle se couse ko leke aur hum log aur tension dete rhte hai ..
theek hai maante hai padhna hai lekin intezaar karo sab aayega dheere dheere

[@amrutrajyadwad]

@@ItsMeRishi Arey nahi bhai.... Humare college mein syllabus complete ho gaya hai... Issliye ghar mein baithe hi previous years papers solve karta hun aur sir ke videos dekhta hun

[@amrutrajyadwad]

@@ItsMeRishi mujhe koi urgent nahi hai bhai.... Sir ko aaram se karne do jaise wo kar rahe hai

[@anshulchaturvedi7045]

Sir apka Hindustan newspaper me article aya h....great job sir....Is per ek like to banta h

[@prashantprajapati8055]

Hm

[@prashantprajapati8055]

H

[@pratishkumar32]

@@prashantprajapati8055 💎💎

[@pratishkumar32]

❤❤

[@abusahaab]

Aaj poore India .me inhi ka naam hai ❤❤

[@areebsparta9226]

I saw u on newspapper..
Feeling proud

[@AKASHKUMAR-lw3yp]

which newspaper

[@abhijeets6621]

Pic dena

[@aditisneha5897]

?????????????

[@proud2bharyana925]

times of india

[@aditya024raj]

Now he's brand ​@@proud2bharyana925

[@fishkibits9679]

Hope it helps
Basics over at(11:22)👌
12:55 bending of light 👍
(18:04)
(21:14)
22:54 speed , Freq, wavelength
24:35 questions
31:58 laws of refraction
39:00 questions
43:03 glass slab refraction

[@justwokeup..1524]

Thanks bro .

[@Meraverse49]

Thanku bhai

[@premnath2333]

Thank you !!!

[@anshukhanna8312]

Thanks

[@abhiram5174]

Congratulations for 5M subscribers sir 👏 🙌🙏
U deserve another 5M subscribers

[@onlystudiespcmb]

he's gonna achieve it soon

[@harshraj695]

12.4M ❤

[@kartikkkkkkkkFF]

12.9M 🗿

[@bsb3121]

13M❤

[@PhysicsWallah]

Download PDF Notes of this Lecture Soon @ physicswallahalakhpandey.com/class-xii/physics-xii/09-ray-optics/

[@pokemoner_tuto8752]

Hello

[@priyanshubagri2798]

1st comment

[@sanjubaba5411]

Thanks sir you saved my life

[@sanjubaba5411]

@@priyanshubagri2798 no bro I give 1st

[@rachanamundhra6835]

Sir it's a request to complete one subject first for board exams

[@latadabhi3773]

Best sir in this world !!!! Indian first teacher jo physics ki feel de sakte he !!! Kya bolte ho students
Hit like !!!

[@sh4dowknight173]

pda to sbhi lete hai lekin feel sirf alak sir hi krva skte hai

[@HeliumOxygen]

@Diana Zotova nase main hain kya

[@poppingunicornshit7186]

Masala.....

[@joyantakumarmondal3115]

Han vailok...ekdm sahi baat hain....hamare ko iye refractive index jaise complex chis dimak main a66i taraf aur clearly tav tak ghus nhi raha tha jab tak Alakh sir k taraf koyi God-send teacher acchi taraf samjhano k bawajut bhi iska feel nhi de raha sakte the!! Hats off to you Dear Alakh Sir!! Love you!❤

[@vineetarawat5246]

Great honour sir to have you in newspaper 8/10/2019 and as a teacher. You are aspiration of million of children

[@venus5120]

sir is way more energetic in these videos than those of 6yr ago

[@curiousmind9740]

The best thing about alakh sir is that he always enjoys while teaching . Is the best teacher in the world

[@udaykiran-dp2wj]

👍

[@rameshchandrajoshi2206]

Sir today when I see newspaper toh usme aapke baare m news padke bhut Garv mahssos hua
Love 😍😍😍 you from khatima uttarakhand

[@Sachin_Meena.]

👌👌👌👍👍🙏🙏🤟🤟

[@todaylife4258]

From tanakpur

[@himanshudhami4905]

hum bhi hain khatima se

[@amangiri2856]

From khatima

[@abhinaybhatt2977]

@@todaylife4258 bhai tanakpur mai khaha par

[@kamaleshs7433]

Within just minutes of uploading, 300+ comments and nearly 6000 views.....that proves the greatness and student-friendly teaching method of sir......thank you sir

[@royalworld1296]

School lectures watching = 5%
Physics wallah sir lecture =💯%
😅😅😅

[@lakshsinghania]

true

[@shreyasrankone3970]

Op

[@priyadarshanipradhan8412]

universal truth

[@sonit9707]

Copied.

[@royalworld1296]

@@sonit9707 shi h shi h😅😅😅😅

[@akstart0]

U have so many subscribers sir.
But it is ur hard work.
U deserve them.

[@Sanatnideepu07]

33:17 kya sir
Sir ke liye ek line to banti h ❤
Dil to baccha h ji 😅 😊😊😊😊😊

[@sulavsaxena107]

Sir you are in newspaper of livehindustan I LIKE IT
PROUD Of YOU BY ALL STUDENT .
THANK YOU
HAPPY DUSSEHRA
KEEP TEACHING

[@tanimahmed8095]

Sir, I'm from Bangladesh. I want to say that your lecture is really mind blowing. I have also suggested my friends to watch your lectures. The way you talk is also fantastic. You can present physics as an interesting subject. As a whole, you are a genius.

[@manjulavekariya9353]

Heyy..if u can understand English then u should watch .Walter lewin video
He has taught all concept with incredible experiment
Reply if u watch and like them

[@tanimahmed8095]

Yes..

[@rohit_starker34]

How can u understand Hindi u are from Bangladesh

[@tanimahmed8095]

Nice question... I have learnt hindi from some hindi cartoon series and hindi movies. Hindi is much easier for me to learn because there are many words common in Bangla and Hindi....Hindi is a beautiful language.... As I realise Hindi, I generally watch a lot of videos in Hindi.

[@rohit_starker34]

By the way are Indian shows still telecasted ion Bangladesh TV channels or stopped

[@neetiv504]

Online classes of school are going on . But I bunk everyday and stay attentive here 😂✌️

[@girijamhegde4699]

Sooo true

[@girijamhegde4699]

I am bunking coaching classes

[@sh4dowknight173]

i serious only in physicswallah class
rest of all i bunk the classes😂😂

[@swapnilkumar9791]

Bro class 12 boards ke liye iss lecture se shuru karna hai na?????

[@maitri6492]

@@sh4dowknight173 I think so too and I am sure you are bunking a lots of English classes 😂

[@ak_mishra1.0]

The lecture is crystal clear by the legend with full feel❤❤❤

[@mamtatiwari9755]

Sir,today I am very very much Happy because of you.I got 65/70 marks in my half yearly examination.And the whole credit goes to you sir.Thankyou sir ,thankyou sir ,first time I got such a mark. Thankyou sir.

[@charithdsf6228]

lol ur happy for dat
failure

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@@charithdsf6228 bro an improvement is an improvement. stop hating others cause u cant control ur ego and ur urge to show off .

[@VedantSonkusale15]

​@@charithdsf6228Bro are you mad or what...You can't laugh and make fun of someone's achievement...if you think you're smart then be in your limit and Focus on your achievements

[@harshbadal9906]

This is 9th day of Navratri all are celebrating festival but one man think about us and this man is great physics wallah. Love you sir......... If you people like it make the thumb blue..

[@popwindow]

Today too Navratri festival 😊

[@suhanimishra5736]

Today I hv seen u in the news channel and in paper... Felt soooo much proud of u sir... I want to meet u once in my life...U r not only teacher but u r an inspiration of all students and whoever see ur videos...
U r really the heartbeats of million million students..
Love u sir..😘😘😘😘😘😍😍😍❤❤❤

[@Roy_Vin21522]

Sir mai apse padhkrr energetic ho jati hu...

[@nikhilbabu028]

Term 2 start from this lecture ..

[@kaurpreet7752]

[@EmptyyCups]

THANK U SIR.. FINALLY STARTED WITH TERM 2 SYLLABUS.

[@Moni-dn3vo]

@@vinaymalik1723 haa

[@vishalchaudhary6611]

Kon konsa lecture term 2 ka lia ni ha
Plzz help

[@divyasabharwal8675]

Total internal reflection is not in the syllabus na?

[@EmptyyCups]

@@divyasabharwal8675 IT IS IN THE SYLLABUS..

[@EmptyyCups]

@@vishalchaudhary6611 HERE U GO..
Refraction of light, total internal reflection and its applications, optical fibers, refraction
at spherical surfaces, lenses, thin lens formula, lensmaker's formula, magnification, power of a lens,
combination of thin lenses in contact, refraction of light through a prism.
Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their
magnifying powers.

[@Abhi.Raj.Bajpai]

Your talent and hard work got recognized now. Aapke baare Mein newspaper Mein aaya hai! Congratulations!! Sir 🎉 very happy for you

[@sulkshanasharma61]

I am lucky that i am in class 11, so when i reach class 12 so he would have completed these fully

[@tashvimadaan3351]

Really u are lucky bcos i m waiting for lecture from the last 2 days

[@aru23597]

@@adityamishra6034 huh???!!!!

[@shantkumarsawalgi9405]

Hi

[@user-qg6lu5vm5v]

@@adityamishra6034 So intelligent 🤔🤨

[@pradeeptakumarswain496]

I think now we all are in same class 12 . right !

[@aniket3388]

Sir, No need to watch ur entire lecture....
Ur "HELLO BACCHON" is enough to leave a like to ur videos😊😄
No. Of People who agree...
👇👇
Edit :- Thanks a lott guys for likes!!! I never got more than 200 likes😍
Enjoy studying and All the Best👍😉😘

[@abhijitmaddy6135]

To padhega kaise!?

[@sarthakdehury4497]

Gnd mara kha bara

[@smrutirekhapadhi4301]

@@sarthakdehury4497 when an odia tries to speak hindi .. lol...

[@aniket3388]

@@smrutirekhapadhi4301 LOL😂😂😂

[@saheeba08]

@@smrutirekhapadhi4301
Only few people are there those who r unable to speak hindi clearly
But there are many people who can both write and speak hindi as much better than u people.
And just move this type of minor thinking from ur mind.
Okay
Never dare to say anything about odia people
Not only about odia people but also any other region's people also.
Look at ur self that u can't speak hindi clearly.
😡😡
🙂
Kabhi koshish v maat karna kisi k bare main ase bolne k liye Miss Smruti rekha padhi.
Tumhari thinking tumhari pass rakho
Ase bakbaj chizz maat phelao samjhi.
Aur apni padhai mai focous karo.
Agar aap mare Sr. V hain toh v aap ase maat kijiyega.
Again never dare to you say anything about ODIA PEOPLE 🙂🙂😡😡😡😡.
All the best.

[@rutba1838]

I mean,I just can't explain how overwhelmed I am by studying from this particular channel and app.The best teacher I have came across so far.

[@ravindrachoudhary3780]

Few lines that we never gonna forget in our whole life-
1.Helllllooooo bachoooooooo
2.kya haal chal?? Badhiya ekdam
3.Yes, my name is alakh Pandey and this is your cute sa beautiful sa channel- physics wallah
4.Choohe khana chod de aur padhai pe dhyan de
5.padhai karte rahiye, all the very best

[@hitzz254]

Term 2 start from this lecture 🥳

[@pandit...brahman..vinaytripath]

Absolutely

[@Vikku569]

Mine 2

[@divyasabharwal8675]

Total internal reflection is not in the syllabus na?

[@hitzz254]

@@divyasabharwal8675 It is in the syllabus

[@divyasabharwal8675]

@Hitzz thanks

[@notalkjustwatch6488]

You don't know sir Bangladeshi students also follow your physics lecture for getting admission in buet,cuet,ruet etc .. You are great... You should make also bsc honours physics lectures .. Wish you good luck sir

[@shivamjaiswal3085]

Behteen sirji i like most to you. When i will top up board then i will meet you . Promise . Mai aur mere 3 Friends. Love you aachharya ji

[@devendrasaini5123]

I am also

[@priyeshasthana2576]

Mai bhi jab up board topper banunga to pahle apne sir se milne jaunga

[@shivamjaiswal3085]

Or kya .no doubts

[@rachit5415]

I am also

[@shivamjaiswal3085]

Welcome

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U are single teacher jo all syllabus upload kar diye wo v free of cost.

[@juisonawane333]

sir your teaching helps lot of students to clear their concepts........I salute u for your such great work

[@smritipal5107]

33:24 incident Ray, refracted Ray and normal same plane me hai😂😂😂😂

[@kkAR3409]

Watching lecture 08
New lecture uploaded 😀😀

[@bhavyachampaneri]

Same here.

[@DivyanshuKushwaha]

ruclips.net/video/DGwe8-uoB-k/видео.html

[@taetaeimagoodboy5895]

Ohh great

[@sonakshityagi1209]

Sir ur lectures r very energetic I don't feel for a second to take any break

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@Your AID To Study
🙄😳😳😳😳

[@nishijoshi899]

@Aditya Gupta lage raho

[@rajeshsharma-mq9oh]

I have never seen a teacher like you sir .
Thankyou so much for helping us in this difficult situation 🙏🙏🙏

[@patiltools4854]

Sir you are worlds best teacher and so intresting teacher

[@homosapein7695]

Sir please complete physics syllabus pure youtube aur coaching mein koi nhi h jo aap jaisa physics padhaye plz sir
Plzzzz😭😭😭😭😭😭😭😭
Aap ne kahan tha tumlog bolte rehte ho to mein video banata hu sir agar aap ne ye kar diya na toh aap ko millions ki dua lagegi
#YOUCANDOTHISALAKHSIR
🤗🤗🤗🤗🤗

[@name8166]

Are sir itna to kar rahe hai. Aur bhi ek insan hai. Unhe itna pressure mat do, please it's request.
Agar itna pressure doge to quality of content niche gir jayega

[@nirbhaiverma7405]

A Proud ATHEIST go for physics galaxy

[@homosapein7695]

I didnt find physics galaxy effective anyone will plz suggest me any channel how will I prepare modern physics and other chapter not uploaded by alakh sir

[@name8166]

@@homosapein7695 Pradeep Kshetrapal is so good. Follow him and for advance questions follow Physics galaxy

[@ritubatra7461]

Yes sir

[@azharadv8510]

1min 271 likes what a power of sir comment and like here for sir panday ➕➕🅰🅰🅰➕➕
🍀🍀😊😊😊🍀🍀
📖📖🙏🙏🙏📖📖

[@himanshuaggarwal2445]

Refraction start ho hi gya 😉

[@amnamunawar7826]

Really helpful to understand the concepts
Thank you

[@ibts6758]

Crystal clear sir
Thanks a lot 😊

[@gurleenkang6337]

My physics teacher completed refracted idex in just 5 min. This is the difference between our alakh sir and other teachers 😏😏

[@recto5245]

true

[@TanvirAhmed-bk9fl]

mauj kardi

[@siddharthakumarpal2784]

That's why you wrote ' refracted index '
What's refraction?

[@parthsharma814]

@@siddharthakumarpal2784 Next generation humor 😆🤣🤣🤣🤣lmao

[@ZVKF_11]

Agreed

[@tahliatamjidi6966]

33:33 real talent of alakh sir😂😂😂😂✌🤣🤣🤣

[@uniquecommandos2751]

Dr strange 2.0

[@satendragupta4773]

Sir please increase video frequency less than 3 months left now 😭😭😭

[@shrutikumari2599]

Yr sir Durga puja me bhi videos dal rhe h...aur ab Kya karenge ..

[@arpitupadhyay3618]

@@shrutikumari2599 Durga puja ke Pehle to video frequency aur Kam thi

[@name8166]

@@shrutikumari2599 Tui ki Bengali??

[@Anonymous-uc6ev]

@@shrutikumari2599 Utube pe ?

[@qwertyzxcv9893]

Sir always say "Don't depend on me"

[@manasoriya8510]

Best lecture ever. The way he explain everything gets easily into brain. I must say you've great teaching skills.

[@namanonker711]

5:03 ....🤣🤣sir aap epic ho..!!

[@purvi2695]

Legends watching the one shot of optics, ultra legends start whole series

[@annanya09]

😂🙌🙌 ultra legend

[@samreen87]

U

[@neetprep0186]

me too

[@alsabaannu1474]

Ul 😂😂😂😂

[@hassannn._]

😂😂i thought I'm the only one

[@vaibhavisistla1008]

To this world such physics teachers r necessary. No words. Superb sir

[@siddharthakumarpal2784]

Idk who used to teach you physics but this guy is the example of a stupid physics teacher

[@patakotisrinivas1918]

Superb sir...hats off to u r teaching style...u r extraordinary and lucid explaination..

[@sanchitsupportswavenatureo3914]

Sir I Am A Class 10 Student And Was Searching For A Video Of Class 10 Cbse & I Found Your's,
Even though this is according to class 12th curriculum i understood all the content of this lecture and also the real/apparent depth one.
Hats off to your way of teaching,
So simple and yet elegant.

[@harishchad.]

Your name 😆😂🤣
👍👍

[@bepositive325]

So class 12 done in 10th grade 😁

[@sanchitsupportswavenatureo3914]

@@bepositive325
Ain't much. But, honest work

[@harishchad.]

@@sanchitsupportswavenatureo3914 you are in class 10th and you know about dual nature of light
??

[@Nobody678-d9u]

i m also in 10th

[@anurag-ff846]

Sir u really a best teacher and your way of teaching is superb

[@Ashokkumarsingh-rp7bu]

Sir I didn't understand this in class 10 but now I understand basics concept of refraction.. Ur video really clear concept without even having a doubt during lecture

[@sanketsganorkar9774]

Thank you sir. Aapne sare 10 ke concepts revise kra diye acche se aur naye wale bhi . Hoping for your good health in Corona time.

[@omdubey9402]

So yeah, today i found my new physics teacher.

[@mrajvirendraps1217]

Such a precious sir like a diamond 💎 nothing 🚫 to say about his teaching .

[@rishabhdwivedi9549]

Sir, aap great ho ...only teacher which can give you feel of physics ......🔥🔥.....sir aap ka jab tkk video na dekhoo confidence hi nahi aata aur apke videos dekhne ke baad koi bhi question ho use lagane ke liye confidence level badh jata hai .......love you sir from Hardoi Up

[@naincyrathore4881]

You are too funny teacher
Like our chemistry king 😂😁😆

[@sheikhkabir2992]

chemistry king . who?????

[@karishmasah2580]

Sir I was not having enough money to join coaching you helped me a lot

[@babuansingh1780]

😥😥

[@AnubhavSingh-wc8yo]

best teacher I ever saw. Excellent Sir.

[@dwivedi_edits7]

This man makes you smile because he knows the pressure on your head😢

[@kanishkadimri6186]

33:16 😂😂😂😂😂
Best teacher I've ever seen.

[@rajveershekhawat2046]

Hahaha😹😹

[@LuciferFFOfficial]

Lol😂

[@sarika9626]

😀😀I am unable to say anything about you , you are just awesome💖💖🙏🙏🙏🙏
Bhagwan apki har ek icha puri kre🙏💖💖

[@artiverma8619]

Hello

[@vaibhavjha5608]

Koi 24-25 wala hai kyaaaaaaa?

[@madhavik2005]

Yes

[@crazyteenkn4823]

Me bhi hu

[@STRANGER1291]

Ha marva ra hu😂

[@angelnama4321]

congrats sir .... for coming on tv ☺☺☺ great teaching

[@DeepaMahabaleshwarBhat]

Every student need a teacher like him...

[@sanjanamullick1187]

I'm just glad i have gone through this video its better than online class of smc

[@rayyanahmad5791]

Best teacher in the world

[@dhineshpasupula2283]

MY SECRET OF STUDY IS "PHYSICS WALLAH"

[@relaxingwallah8547]

Advance congratulations for going to hit 2 milliom subscribers. And thanks a lot to you sir for giving such content of study.

[@proguyseditz3166]

he is a legend, Video ki shuruat me hi student ko energetic bna dete hai

[@TusharKumar01-hp3yv]

Jada Gyan mat do 👍🏼

[@prashantchhabra6028]

sir, aapka or deepak sir ka koi jvaab nhi hai teaching me...😍😍😍
Lots of love sir...
east or west, physics wallah and fun with physics are the best....😃😍😍

[@pawar_enough]

Sir, you are great who work consistently us to provide excellent lecture free of cost.❣️❣️
👉👉I think you have to make lecture on mathematics as well.

[@joeljohn1327]

Sir you are the reason for this tough competition for the medical seat...you know what i mean physics wallah viewers🖤🖤🎉

[@neetzee4318]

It's my 12th board and I'm 2021-2022 batch student! Leaving this comment as a mark of being your student ❤

[@summygupta1716]

Thank you sir..really loving all ur videos..I am in 8th standard and the book has so much detailed explanation..But all thanks to u that u explain topics easily..Hance proved: OLD IS GOLD 😊

[@liltumondal]

We should want -->
Hamara teacher kaisa ho alakh sir jaisa ho!!!!

[@_pathak]

33:29 😂😂 Love You Sir!! You are the Best!!! 😍😘😘😘

[@conceptclear18]

Lectures are excellent, pls make videos for NCERT science class 9 & 10. It will help students a lot

[@karanghoran6395]

Sir you are spreading knowledge
You also spreading love

[@singerworld8560]

I was scared of physics but only bcz of u sir i love physics and love you sir alotttttt.....thank u for being our real hero....😊🤗🤗🤗

[@mohdtalib4992]

All the best padhaii kartae raho pyaro baccho👍

[@qtv3908]

sir you are best because you can give feeling for student

[@janhvimishra3450]

Best teacher in the world....he deserves the highest respect ....may he get whatever his heart desires🌠

[@DineshKumar-vs3on]

Best teacher of physics ☺️

[@neetaspirant9636]

30:06 OMG kawali.... Wow sir😀😀😊😊I love kawali... '' tum to thaher pardesi.. Sath kya nibha o ge".. 😇😄😄😉😉😘😘

[@chandraprabhasinha4535]

Best teacher ever !!!

[@madankumar-wx3tf]

Sir you are the best... M a coaching student bt still waiting fr ur videos on lens as I couldn't understand it in my coaching

[@abhishekaman2756]

I was waitting for this video...😊
Thanku sir

[@learningadda1163]

I proud of you sir ...Aaj Hindustan
Newspaper me aapka photo dekhkar tabiyat Khush ho gayi.
..
Aap pahle RUclipsr teacher KO Mene Itni respect ke sath Hindustan newspaper me Dekha
....I salute you sir for this job
Ham dua karte hn Allah se Aapko education ke field me उत्कृष्ट योगदान देने के लिए। नोबल पुरस्कार के लिए .....
Allah bless you......sir...

[@Affiexfrin]

While i see you i get inspiration for studying psc...🥰

[@maskedguy2806]

I love the teaching techniques of alakh sir much that i am a class 7 student and easily studying and understanding this ❤️❤️❤️❤️

[@shubhamsambit9877]

I got a love from sourov josi

[@bimaleshpahari3133]

Can't wait to attend the lectures on lens

[@ganeshbankar1717]

Sir you are my model i always want to follow you 😊you are doing such good thing your teaching technic is really good so much love from me and my family love you so much ☺☺☺👍👌

[@RAHULSINGH-wm6um]

Love u sir from mumbai....mumbai walo hit like

[@amanchoudhary756]

24:52 That smile shows the excitement sir has 🤩

[@anmolverma2189]

33:30
When uncle ji asks you about your talent
10 y/o you be like : 33:30 .
😂😂

[@sayanghosh6996]

14:20 due to fermat's least time principle

[@debtanaysarkar9744]

Huygens principle

[@dhattteribhenmaindaalu]

"light always take the quickest path"

[@SANTOSHSINGH-jq9yn]

Details of fermat theorem give link