Semiconductors 03 : Intrinsic Semiconductors - Concept Of electron + Hole Conduction

[@PhysicsWallah]

Live Classes, Video Lectures, Test Series, Lecturewise notes, topicwise DPP, dynamic Exercise and much more on Physicswallah App. Download the App from Google Playstore ( bit.ly/2SHIPW6 ) Physicswallah Instagram Handle : instagram.com/physicswallah/ Physicswallah Facebook Page: facebook.com/physicswallah Physicswallah Twitter Account : twitter.com/PhysicswallahAP?s=20 Physicswallah App on Google Play Store : bit.ly/2SHIPW6 Physicswallah Website: physicswallahalakhpandey.com/ LAKSHYA Batch(2020-21) Join the Batch on Physicswallah App bit.ly/2SHIPW6 Registration Open!!!! What will you get in the Lakshya Batch? 1) Complete Class 12th + JEE Mains/ NEET syllabus - Targeting 95% in Board Exams and Selection in JEE MAINS / NEET with a Strong Score under Direct Guidance of Alakh Pandey. 2)Live Classes and recorded Video Lectures (New, different from those on KZbin) 3)PDF Notes of each class. 4)DPP: Daily Practice Problems with each class having 10 questions based on the class of JEE Mains/NEET level. 5)Syllabus Completion by end of January, 2021 with topicwise discussion of Last 10 Years Problems in Boards, JEE Mains/NEET within Lecture. 6)The Complete Course (Video Lectures, PDF Notes, any other Study Material) will be accessible to all the students untill JEE Mains & NEET 2021 (nearly May 2021) 7)In case you missed a live class, you can see its recording. 8)You can view the videos any number of times. 9)Each chapter will be discussed in detail with all concepts and numericals 10)Chapterwise Approach towards JEE Mains/ NEET & Board Exams. ****Test Series for XI & XII**** We provide you the best test series for Class XI,XII, JEE, NEET chapterwise, which will be scheduled for whole year. The test series follows very logical sequence of Basic to Advance questions.& Evaluation of Test and Solution to all the questions at the end of the test. ========================================================= For PDF Notes and best Assignments visit @ physicswallahalakhpandey.com/ Follow us on: Instagram instagram.com/physicswallah/ Facebook: facebook.com/physicswallah =========================================================== Semiconductors 01 : Introduction - Why Semiconductor devices were discovered? JEE/NEET kzbin.info/www/bejne/npTGdoinpNucfpo Semiconductors 02 : Energy Bands - Difference between Conductors , Semiconductors & Insulators kzbin.info/www/bejne/eZytg2V9Zsh9gtU Semiconductors 03 : Intrinsic Semiconductors - Concept Of electron + Hole Conduction kzbin.info/www/bejne/i5usgXmrqqenm80 Semiconductors 04 : Extrinsic Semiconductors - n-type and p-type Semiconductors JEE/NEET kzbin.info/www/bejne/pXice5KOhdCAqaM

[@motivationalspike9297]

Sir plz tell... Kya sirf 4 lectures hai total semiconductor Ka... Plz let me know plzz 🤕🤕

[@namehai4288]

@@motivationalspike9297 nahi bhai or hai ptaa nahi sir kyu nahi upload kr rahe hai

[@Motivationboysourav]

Thank you

[@lavkumar9322]

Sirr please full semiconductor upload corona

[@asheeshkumar3519]

Sir plz semiconductor ke aur Lecture upload kar do

[@ananyasingh5221]

38:13 ...whoever has sent the hateful comments , I don't feel pity for , you should be ashamed. Such a great teacher ! Such a personality is giving you the BEST lectures without charging you! unlike the boring ones you have in your school for which you pay , if you can't say something good , then it's better not to say anything. Because you people don't realise that in those 10 seconds of your life in which you write a hateful comment about someone you haven't even seen in real life can put that person into so much self doubt that the person might reconsider his work , his decision to provide free and quality education to people ! Doesn't matter what you feel , he receives hundreds of such messages on his videos , he too feels sad but he looks to the thousands who love him dearly and every lecture starts with a brilliant smile. Keep it up sir. You have no equavalent. Respect.

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Srry for reply, yeah you wrote right We only think for our own benefit. DiL SE Thank You Sir!!

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finally.i was waiting for this type of comment.this specifies .some people are still humans.thank you#physicswallah familly ki sandip maheshwari

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@@amitrajsinha sandeep Maheshwari kaha se aaya

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Yes exactly. He is teaching us in free, just as any big institute. People won't get such type of quality educators even aftr paying 1-2 lakhs. Here they are getting everything free still they r behaving like this. It's like BANDAR KYA JAANE ADRAK KA SWAAD.

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Yes u are right

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My tution teacher completed this topic in 5 minutes..Alakh sir takes 1 hour which tells ,how much he is hardworking..

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teacher ko mere taraf se 21 topo ki salaami

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Selection hogya.kya

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Baykuf bana raha hai

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Me too

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Aur Bhai kaise TAYARI chal rhi hai

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Kitna aa raha hai vishal ji..mock test me..

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Yes sir u deserve every kind of applause.. after listening to your video i read ncert book and line by line everything become so much clear.i would suggest if anyone is in class 12 watch every video of sir ji.. you donot need any coaching or move to other ytube channel .have 100 faith in sir ji.. i am doing msc sir in chemistry and i was preparing my fourth paper solid state chemistry and quantum chemistry there in one unit i hve to study about semiconductor yet i have read in class 12 but thing concept and more clear now. After i read 3D model of solid . Its a new experience to again read the previous topic..

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So excited to see our hero back on screen ...... Miss u a lot sir Everyone was scared that your videos were not coming . Sir it's a huge request that to also complete remaining chemistry chapters of class 12 😭

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Where are you now

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Omg...! Felt very good to see u after u so many days... sir... Really.....missed our legend...

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Super 2M

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I will try to say the producers to create such a movie

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tatti movie hogi ....

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Great teacher + comedian 😁+motivation 🔊 speaker+ nice singer+ big 💓 man = ""ALAKH PANDEY""

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😂👍

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Sir ek hi dil 💔h kitni bar jitoge Alakh sir is the best teacher ❣💔 Like hit please 👍

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Any one noticed the timing of uploading video 👇 👇 6:00 am

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So?

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Bro ur name!!😲😲

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@@VishalMishra12 bro I mean in early morning sir uploaded the video correct at 6:00 am

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It is auto uploaded If u set a time it will upload automatically........

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#WelçomêBåçk

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Sir I don't know why I am in love with your voice like when I see your lectures I feel like hn bhai abh Jake syllabus complete hua... You became Dal and fish fry for me as I am a Bengali... And Bengalis can't survive without Dal rice and fish ❤️❤️... Thank you sir...... You are the best

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HII I ALSO LOVE FISH ITS VERY DELICIOUS MEAL 💖 BY THE WAY R U TOO SKIPPING ENGLISH EXAM LIKE ME AND PREPARING FOR PHYSICS

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@@kumarshwetank1256 😅😅😆.. I didn't studied physics whole of the months now I am getting bamboos 🎍🎍

[@kumarshwetank1256]

@@nabanitadas4682 BUT IN MY CASE ITS REVERSE I HAD STUDIED ALMOST ONLY PHYSICS THIS WHOLE SESSION THAT'S DUE TO ALAKH SIR BCZ I CAN'T RESIST ME TO AVOID PHYSICS AND I HAD TOOK SUBSCRIPTION TOO SO ALAKH SIR VIDEOS ARE FAR BETTER THAN YT.....

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wtf

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@@kumarshwetank1256 bhai logic gates kis lecture mai hai yha kahi ni hai modern physics mai sir ne pdhaya hi ni hai

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Sir please make remaining lessons of chemistry like sufrace chemistry, polymers,biomolecules and solid state

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Bhai par surface chemistry , biomolecules me to kuch samghane layak hai hi nhi

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Anand Kumar = super 30 ALAKH PANDEY = super 5.6 million 😏🏁🤗🤣👌

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todays it is supper 30 lakhs

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Cheater 😂

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Maybe more than 5.6 million

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@@ruchirranjan303 bol to aise rha hai ki subka selection hojayega

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@@satyam12a46 What I meant to say that across the nation more than 5.6 million are getting free education.

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now i am an mbbs student ,, 1st year,,, watching him after a year , it reminds me the cool and awesome moments when i used to watch his lectures

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Self study hi ki bhaiya?

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Mera mtlab bina coaching youtube se hi pdhe?

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@@ankurpal9441 i am from pakistan dear

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This sir is one of the best teacher in the world in KZbin yar sare teacher aate k sath like share subscribe karo padhne sai jaddd tho ye he bat bolthe haiii butttt ye sirr sorry humkisi v sir K bare mai bhura nahi bol rahe........ sab bara mehnat kar the hai... 🙏par ye sir mai kuch khsa hai kuch aa laga haiii. Mainai jita v vedio dekha hai sir ka abhi thak kisi v vedio mai sir nai ye batee like karoo share. subscribe........ Nahi bolaa haiiii..... Only padhi karbani start kar 👏👏😘 Di haiii sir iiiiiiii really love you so much 🙏😘😘😘😘😘😘

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Sir my name is kartik ,the best thing is that your lectures are 100% for average students and hence you are special

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Yes bro

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Because 90 %are average ✌✌

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I can't express myself through comment what a great relief!!!!!!

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Finally sir ka lecture🔥 Was waiting for it too long❣️

[@ExplorerMrNandi]

"ALL THE VERY BEST" 👈👈this is the word of alakh sir at the end of the every lecture. 💜💜💜💚💚💚💚💚💚💚💚💚💚💚💚💚

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Bas yhi sunna padh mat ramlal 🫨🫨

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Sir Are u ok??? I was too worried about you yesterday I was watching the playlist on your channel. 3 weeks no videos mujhe dar lag gaya tha Koi problem nahi hai na sir??

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Problem toh nahi thi sir ke dost ne sir ko bigaad rkha tha

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Sahi kh rahe ho bhai

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@@ahuman4 Haa Bhai Sanjeev and Sanjay Sir ne Apne Sir ko Chuha Khana Sikha Diya...

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ME2 sir

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#WelçomêBåçk

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He is not physics wallah. for me he is uppar wallah 😍

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Sir aa gye Sir aa gye🙌🙌

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Only teacher on u tube who gives time to make notes , 1 2 3 4 5 . ❤❤

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Newton's ka, Farraday ka, Eisenstein ka.... Sabka law sikhayega re tera Physics Wallah AWESOME SIR😍😍

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Lol

[@madhusingh8564]

I am starting 12th. You helped me in 11th a lot.Thank you Sir very much Sir. You are great

[@BHARTIYA01947]

Chal nikal

[@bellaciao4560]

Sir u are the best.... No one can stand in front of u on KZbin even its ve....... Or whatever...... You often say that ur vedio is enough for neet and jee... But today I just want to say that your vedio is more than enough for neet and jee.... Hat's off to this nobel creation of God😊

[@RahulSingh-ib8oe]

This is only your galatfahmi.

[@spiderweb1956]

Video******

[@muskansiddikee2171]

Im convinced by the fact that there are no boring subjects only Incompetent teachers.❤️❤️❤️

[@umeshsirvi5169]

In 0*C how many Kelvin

[@anushkaroy6572]

@@umeshsirvi5169 273k

[@alpeshshravansinh516]

Who wants alakh sir to come live 👍👇👇👇

[@tahreemulislam8905]

Alakh sir is best

[@elviskiller1197]

kzbin.info/www/bejne/pX-VgJd5otNnp9k Errors and dimensions in full detail by senior faculty bhanu partap singh at sp smart channel

[@MukeshKumar-gu9zc]

@@elviskiller1197 ok

[@priyasharma1828]

Who likes sir saying 'helwwww bachoooooooooooo'😊❤️

[@priyasharma1828]

@@Karnav2311 yo

[@priyasharma1828]

@@ayushijana1390 kya hua itni hsne ki kya baat

[@jiddiyadav3729]

Mem you very cute

[@prerakchauhan230]

@@jiddiyadav3729 LOL....bee kya likhe ho y e tum

[@pulinchandrasarkar327]

​@prohakchauhan230

[@devanshipaliwal7362]

Thankyouu sir. Subah uthete hi ini khushi mil gyi!!❤😢

[@mdomair1058]

A:Awesome L:Loyal A:Affirmative K:Kindred H:Hard working P: powerful A:Ability to teach anything N:Nice D: Devoted E:Euphoric Y:Yielding Physicswallah is besttttt👍👍😍.

[@tanmay6760]

The legend is back 🥰🥰🥰🥰

[@poras1513]

After a long time legend is back

[@vishalkumar2242]

SIR IS BACK TO THE WORK.....😎 JAYO BACHO..... 😵CHILLA CHILLA KE PURI DUNIYA KO KEH DO....😵😵 KI WO AA GAYE... DEKHO WOH AA GAYE....😍 #LOVEUSIR❤️ #WAITINGFORU #BAHOTIMESE... ❤️❤️❤️❤️❤️

[@abhishekmewada8652]

Yes

[@toukatouka5768]

iske 50 rupay kat overacting ke

[@thewanderertohome4333]

Bas kar pagle Rulaega kya

[@riyadebnath4198]

Sir your classes are really very helpful...respect from Bangladesh ❤💚

[@haremiking4838]

He know On what we are confused. So he throughly explain it. It shows his experience and depth in subject matter😘😘

[@anitaasole6709]

Sir mujhe pata hai ki aap hamesha 5 April se new session start karte ho... Welcome back sir.. Ab maza aayega. 🥰🥰🥰

[@samarthgupta5981]

Sir ke lecture me bohot dino baad marker ka cap bhi gira hai, sir ka prominent dialogue fir se sunne ko mila aaj

[@saadfaizullah7351]

Pakistan needs SIR Alak pandey to provide quality education. HATS OFF TO YOU SIR ALAK PANDAY .

[@rakshithasundar3657]

Omg💕 Finally....... The rebel is back Missing you lot alakh sir...

[@advait1695]

Ya rebel is back

[@MrAlone-bs6cc]

No Doubt Lots of good teachers present on this platform ..... But this Man Has Separate Fanbase 🙏🙏 FEEL Toh Yhi Hai Aur Kahi Nhi Sab Jagah Dekha Hamne But Feel Paya Yhi Pe ❤️

[@rhmasters4712]

My dream come true of having 1st view 😍😍💓💓💓 Very nice to see you back sir 💓💓💓 . . . . . Dislike krne vaale bhi sir ki wait kar rahe the 1 min me 2 dislikes... Ashamed of you all 😡😡

[@hirachaudhary1210]

42:25 bht acche s smjh aaya😂😂😂😂 sir apki yhi tricks mind m fitt kr deti h..... apke xplanation just wonderfull yha pr phd kre hue professrs hume dhng s nhi smjha paae online m or apne jo way use kiye hr way fantastic.... specially ur singing jo bich bich m aa jati h😂😂😂 a lots of love from me.... #amugirl❤️

[@onkargawade7118]

Who love physics wallah after his mom n dad ( me ) 😍😍

[@rudrasingh3112]

Guys the content of this channel is really good plus you will get notes pdf of each video... Epitome classes thank me later. ,😎

[@jishudutta2340]

We all love Alakh sir

[@abcefg7045]

I love him even more than my parents

[@Prem19240]

Me

[@adityakochar8287]

😭😭😭 sir I really need this It was just like vaccine

[@priyankaannant5088]

Are tumhe pata hai BHAI KI PADHAI 11 12 JEE CHANNEL BHI HAI...kzbin.info/www/bejne/q2mrZKR_ad5loKs

[@adityakochar8287]

@@ajaymangal3053 bhai aakhri chapter bacha tha jee ke liye without coaching hu isliye

[@princemishra1580]

Sir Maine 12th ke exam toh de diye magar pta na kyu Konsa rista Jud gya hai apse video Ka notification dekhte hi rok ni pya Apne aap ko 🤗🤗🤗🤗

[@aditi5M24]

42:25 sir ha smile to dekho😂😂😂😂😆😆😆🤓

[@Heacker.007]

Sir lockdown mei ap hei aakhri umeed ho❤️❤️ May god bless u sir❤️❤️❤️

[@girishporwal3948]

Sir we will make you feel proud . After our 10th boards exam you gave us the platform to study the best material at home. Targeting IPHO this year. Guys share your goals YOU will achieve to make sir proud.

[@shekhar1102]

Like: Alakh sir Comment:Namo Kaul sir

[@Neetug-zv3jw]

Don't comparison bro... Both teacher are best

[@Ginger_Hrn]

Namo kaul kon hai?

[@Ginger_Hrn]

Namo kaul kon hai?

[@punjabiguy1296]

@@Ginger_Hrn unacademy jee

[@arunmishra1081]

Both are the bestam best😊😊😊

[@chemphymainstay7025]

Sit you are the world best sir . I watch your every video since class 10 and now I am in class 12. Thankyou a lot sir for your efforts.

[@subhamkarmakar7667]

Sir after completing 12 class chapters will you start teaching bsc physics, it will be really helpful

[@yashjat1091]

Yes👍

[@tanubaghel2820]

2024-2025 attendance here ❤️🌸

[@BIRENDRAYADAV-el3oo]

Sir kya lecture tha maja aa gaya 😊😊😊😊❤❤❤❤❤❤ bahut badhiya

[@yourstrulydeep]

"Bina dhakkan gire to lecture complete nahin hota"🤣🤣🤣

[@abhishekkalaburgi1631]

😂

[@riteshsingh6258]

👌

[@adityapandey5688]

54:59 legends know this laughter comes before disaster 😂😂

[@vishal.011]

अलख sir ki Jay ho! Jo Jo alakh sir ki pyar karta wo like kare।।।। Sir I wants to thank you. Sir you have made my life. I am currently studying in class 12, in class 11 my physics used to very weak such that I was not able to solve introductory exercises of DC pandey, I used to be very tensed regarding my studies. Then accidently I found your channel. Then I started watching your lectured. I gave full justice to your lectured and watched them seriously like live class. And today is the day I am solving lvl 2 problems of DC pandey.😭😭😭 Thank you so much sir. You are my God.

[@adityaahuja8329]

42:09 😂😂 inse badiya teacher kahi nahi milega

[@suryasingh9915]

Sir ka naam "ALAG PANDEY " hona chaiye coz he is different 🌺🔥hit like if u agree He is shaktimaan of science students 🔥🔥

[@Sanjanaa26]

42:15 best example of recombination and holes😂😂

[@mudrikagupta7408]

I just got so excited seeing a notification from your channel, that I fell off from my channel😵😵 Happy to see you again sir!😁😁

[@shrutiwankhede5993]

Sir you are so great... Itni mehnat class ke sir bhi nahi lete jitni aap lete ho... Thanks a lott. May God bless u always

[@nishanttripathi9430]

Old is gold. Old videos > new batches or digital batches

[@shagunswastik]

In jst 28 minutes ago.... And 2.9k views, 715 likes ❤❤🌟🌠🌠🌠💝💝💝👏👏👏👏congratulations sir.... Bina LIVE lectures ke hi bche lectures upload hote hi dekh lete h sir.... Tusi toh great ho...THANKU SO MUCH SIR BHOT DINO SE WAIT KR RE THE SB😊😊😊

[@kantisingh2664]

Thank u sir. I was waiting for this lecture desparately because no one teaches like you there is no feeel.... like you give to us. Again thank u very much sir. You are the best!!!!

[@nabeelkhan5314]

Really the Best teacher on KZbin for PCM ❤️❤️❤️

[@user-dt3ur4rn3o]

Younger generations remember when I was here it was 4.81 millions

[@Sahil-bd1yi]

Never got bored from this channel

[@chaisingdreamss]

42:09 Kya mast example dia hai sir, 😂😂 everyone must watch

[@mathswithme8433]

rajat prajapat dear for maths watch my video on my chanel

[@Neetug-zv3jw]

@@mathswithme8433 no chance unacedmic jee is best for math

[@rahulkurkure615]

Good to seesir is back, sir kya kya padhane wale hoo bata dijiye 1. Acid 2. Amines 3. Polymer 4. Biomolecules 5. Surface chemistry 6. Electromagnetic waves Sir jo aap nhi padhane wale please bata dijiye , taki hum uss hisab se cooperate kare, Sir no pressure on you , we are trying to help

[@priyasharma1828]

Solid state bhi rhya h

[@ML-pro-b6w]

Bhai yese mat poohna sir Ko..ink dukhi hoga..

[@priyasharma1828]

@@ML-pro-b6w ok bro

[@priyasharma1828]

@@ML-pro-b6w ok bro

[@ML-pro-b6w]

@Priya Sharma bhehenji Maine Epsilon Ko khara...AAP Bura may maanla..😊☺️