Wave Optics 04 : Young's Double Slit Experiment II YDSE -1 II Interference of Light Waves JEE/NEET

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  • เผยแพร่เมื่อ 19 ก.ย. 2024
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    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.
    Class 12 Chapter 10 II Wave Optics 01 : Introduction & Huygens Principle - WaveFront IIT JEE/NEET
    • Class 12 Chapter 10 II...
    Wave Optics 02 II Proof For Laws Of Reflection & Laws Of Refraction By Huygens Principle
    • Wave Optics 02 II Proo...
    Wave Optics 03 II Interfernce Of Waves I Coherent Sources I Principle Of Superposition JEE/NEET
    • Wave Optics 03 II Inte...
    Wave Optics 04 : Young's Double Slit Experiment II YDSE -1 II Interference of Light Waves JEE/NEET
    • Wave Optics 04 : Young...
    Wave Optics 05 : YDSE -2 II Intensity in YDSE II Number of Maximas and Minimas II Shape Of Fringes
    • Wave Optics 05 : YDSE ...
    Wave Optics 06 : YDSE -3 II Path difference by Glass Slab in YDSE II YDSE with Glass Slab JEE/NEET
    • Wave Optics 06 : YDSE ...
    Wave Optics 07 : Diffraction Of Light II Single Slit Diffraction II JEE/NEET
    • Wave Optics 07 : Diff...
    Wave Optics 08 : Polarisation Of Light II Polaroids II Malus Law II Brewster's Law JEE/NEET
    • Wave Optics 08 : Polar...

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  • @PhysicsWallah
    @PhysicsWallah  4 ปีที่แล้ว +1241

    Live Classes, Video Lectures, Test Series, Lecturewise notes, topicwise DPP, dynamic Exercise and much more on Physicswallah App.
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    Join the Batch on Physicswallah App bit.ly/2SHIPW6
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    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 TH-cam)
    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/
    ===========================================================
    Class 12 Chapter 10 II Wave Optics 01 : Introduction & Huygens Principle - WaveFront IIT JEE/NEET
    th-cam.com/video/6vOzZ8esTSs/w-d-xo.html
    Wave Optics 02 II Proof For Laws Of Reflection & Laws Of Refraction By Huygens Principle
    th-cam.com/video/9D7nujbOxXA/w-d-xo.html
    Wave Optics 03 II Interfernce Of Waves I Coherent Sources I Principle Of Superposition JEE/NEET
    th-cam.com/video/RkEIKRSl1V8/w-d-xo.html
    Wave Optics 04 : Young's Double Slit Experiment II YDSE -1 II Interference of Light Waves JEE/NEET
    th-cam.com/video/bzPvWPoeGRg/w-d-xo.html
    Wave Optics 05 : YDSE -2 II Intensity in YDSE II Number of Maximas and Minimas II Shape Of Fringes
    th-cam.com/video/xvRxrSFsBMQ/w-d-xo.html
    Wave Optics 06 : YDSE -3 II Path difference by Glass Slab in YDSE II YDSE with Glass Slab JEE/NEET
    th-cam.com/video/vxb32rImYxY/w-d-xo.html
    Wave Optics 07 : Diffraction Of Light II Single Slit Diffraction II JEE/NEET
    th-cam.com/video/i4EfDf8YEQY/w-d-xo.html
    Wave Optics 08 : Polarisation Of Light II Polaroids II Malus Law II Brewster's Law JEE/NEET
    th-cam.com/video/58Kv2797ff4/w-d-xo.html

    • @punithkumargl9609
      @punithkumargl9609 4 ปีที่แล้ว +1

      Sir first question pe 7 lambda D/ d ayega, apne tho bathaya 7 lamda by 2d

    • @akshithreddy5641
      @akshithreddy5641 4 ปีที่แล้ว +4

      Sir very nice assignment had good time solving it
      Was able to solve it completly

    • @vegan2780
      @vegan2780 4 ปีที่แล้ว +4

      @@punithkumargl9609 sir has done it right bro

    • @DEEPAKKUMAR-tx6gs
      @DEEPAKKUMAR-tx6gs 4 ปีที่แล้ว +14

      Sir first question mein d=0.1mm hooga tab 8.75mm aayega answer

    • @vegan2780
      @vegan2780 4 ปีที่แล้ว +2

      @@DEEPAKKUMAR-tx6gs 👍👍👍

  • @aakarshsrivastava1120
    @aakarshsrivastava1120 4 ปีที่แล้ว +10110

    2 hours, at night talking to camera, just for us that too free, salute to you sir...

    • @niharikakashyap7350
      @niharikakashyap7350 4 ปีที่แล้ว +76

      Right said........

    • @devanshpandey7020
      @devanshpandey7020 4 ปีที่แล้ว +100

      @Tech guru mehnat bhi to hau

    • @devanshpandey7020
      @devanshpandey7020 4 ปีที่แล้ว +120

      @Tech guru tu farmer hai kya

    • @lakshminarayana1743
      @lakshminarayana1743 4 ปีที่แล้ว +31

      Best comment👌👌👌

    • @tanyatiwari8724
      @tanyatiwari8724 4 ปีที่แล้ว +205

      @Tech guru dude...
      You can't compare the field of teaching with the field of farming..
      And when.. It's the case of Alakh sir... Then absolutely not

  • @YogeshPatil-oi7yc
    @YogeshPatil-oi7yc 4 ปีที่แล้ว +4080

    It is most difficult to talk infront of camera alone... for 2 hrs... god bless u sir👏👏

    • @knowledgesinghonline
      @knowledgesinghonline 4 ปีที่แล้ว +34

      yes aakanksha you are correct and also pandey sir is a very good human by the way i am abhishek singh from ranchi

    • @YogeshPatil-oi7yc
      @YogeshPatil-oi7yc 4 ปีที่แล้ว +18

      @@knowledgesinghonline i am from maharashtra

    • @rudranarayan7961
      @rudranarayan7961 4 ปีที่แล้ว +10

      God level teaching skill 🙌🙌🙌🙌

    • @mohitsolanki4211
      @mohitsolanki4211 4 ปีที่แล้ว +5

      Nice thinking

    • @sankhadeepdas9270
      @sankhadeepdas9270 4 ปีที่แล้ว +59

      He is not alone..he is never alone. We are with him. What we consider a camera is actually his 2.76m family. This what gives him the confidence and strength.🌺

  • @jeashansameer8261
    @jeashansameer8261 3 ปีที่แล้ว +1813

    When sir says "tension ki koi bat nahi,maza ajayega" we really feel a sigh of relief!!!!

    • @amanbhandari888
      @amanbhandari888 3 ปีที่แล้ว +4

      bhai kitna pad liya physics me

    • @jeashansameer8261
      @jeashansameer8261 3 ปีที่แล้ว +5

      @@amanbhandari888 almost khatam
      Bas thoda baki hain

    • @Alt-gt1bn
      @Alt-gt1bn 2 ปีที่แล้ว +2

      Haa bhai tension ki kya baat, IIT dhokakpur fix hai Pw sir ke videos dekh ke 😀👍

    • @anjuawasthi6814
      @anjuawasthi6814 2 ปีที่แล้ว +11

      @@Alt-gt1bn tum kyun dekh rahe ho fir aur sach bolun to tum jaiso ka koi kaam nahi hota kahin bhi selection nahi hua hota to apni naa kamyaabi ki frustration yahaan nikaalte ho koi nahi
      I PRAY FOR YOU 🤣🤣🤣🤣🤣

    • @edge6213
      @edge6213 2 ปีที่แล้ว +2

      sign*

  • @torosff4730
    @torosff4730 ปีที่แล้ว +223

    Best lecture till the date .No one can replace this masterpiece ❤

  • @subhashchourasia6154
    @subhashchourasia6154 4 ปีที่แล้ว +546

    Today i am starting my class 12 syllabus. Was distracted for full year wish me good luck
    I will be giving my progress on each new video (i am preparing from physics wallah)
    25 nov 2019 : solutions(started at 1am
    finished at 12:30 pm)
    26 nov 2019: electrochemistry (started at 1 pm
    Finished at 3am)
    28 nov 2019 : electrochemistry ques
    Start time : 2:50 am
    Finish time : 29th nov 9:45 am)
    29th nov 2019 :
    Probability start time: 10 am
    Finish time: 9 pm
    1st December 2019
    Relations and function :
    Start time- 9 am
    it gives me motivation to cover up my syllabus so that i can Continue this comment i am doing this since 25th and it really gives me a push

    • @Supriya-vz9dt
      @Supriya-vz9dt 4 ปีที่แล้ว +4

      👍👍👍👍

    • @tastehub1520
      @tastehub1520 4 ปีที่แล้ว +6

      All the best 👍👍👍👍

    • @juryman4878
      @juryman4878 4 ปีที่แล้ว +43

      Nice buddy but is it necessary disclose this🤔🤔🤔

    • @subhashchourasia6154
      @subhashchourasia6154 4 ปีที่แล้ว +21

      @@juryman4878 it gives me motivation to cover up my syllabus so that i can Continue this comment i am doing this since 25th and it really gives me a push

    • @317sehaj3
      @317sehaj3 4 ปีที่แล้ว +9

      @@subhashchourasia6154 bro best of luck

  • @siddarajpatil629
    @siddarajpatil629 4 ปีที่แล้ว +622

    Sir you are great sir because talking alone in a room facing camera for 2 hours without any instant fee nor reward just for students
    😮😮

    • @riyaverma4942
      @riyaverma4942 4 ปีที่แล้ว +26

      U.. Made... Pic.. Of.. Alakh.. Pandey.. Sir.. ??🤔🤔in.. Ur..dp.. 🤟👍👍👍✅

    • @mdjabir9817
      @mdjabir9817 4 ปีที่แล้ว +6

      @babita sharma of course sir is the best

    • @mritunjay2624
      @mritunjay2624 4 ปีที่แล้ว +2

      Tavish Sharma not heavily, BB ki Vines in his interview told he earns 3,00,000 per month, compared to that I don’t really think alakh sir would be earning heavily

    • @tavishsharma5338
      @tavishsharma5338 4 ปีที่แล้ว +2

      @@mritunjay2624 oh I didn't know, anyway I didn't mean to disrespect him, I just wanted to tell them that's its definitely not free......

    • @weird_pixel_
      @weird_pixel_ 4 ปีที่แล้ว +9

      @@tavishsharma5338 Bitter truth is he could earn more by tying up with an institute. TH-cam is paying nearly nothing.

  • @AnuragYadav-vv1px
    @AnuragYadav-vv1px 3 ปีที่แล้ว +724

    Baaki teachers : 2 hour me toh hum log poora chapter khatam karwa dete
    Alakh Sir : Aur baccha wo 2 din me bhool jata h par apun baccho ko aisa feel deta hai ki poore saal nahi bhoolta❤️💯

  • @BEbetter0_o
    @BEbetter0_o 8 หลายเดือนก่อน +72

    1:34 start
    12:00 bright & dark spot path difference
    15:31 🔺✔
    18:00 derivation
    22:43 central maximum
    23:25 🔺✔
    25:10 B & D spot location

  • @Zri400
    @Zri400 4 ปีที่แล้ว +837

    Once you start studying from Alalkh Sir, there is no going back to other teacher 😍

  • @thiscommetwastyped8695
    @thiscommetwastyped8695 4 ปีที่แล้ว +355

    Do ghante aisa karoge :- 5:14
    Toh itne thak jaoge :- 1:56:09
    From full energy to being completely exhausted just for us all is what defines Alakh sir. Salute !

    • @calrmaster7721
      @calrmaster7721 4 ปีที่แล้ว +6

      actually there is a pause..watch from 58:30...u will notice it due to the unerased part on the board.

    • @thiscommetwastyped8695
      @thiscommetwastyped8695 4 ปีที่แล้ว +19

      @@calrmaster7721 That proves more than 2 hours. Also, editing time is extra.

    • @calrmaster7721
      @calrmaster7721 4 ปีที่แล้ว +4

      of course u r right :)

    • @shubhamkatyan8069
      @shubhamkatyan8069 4 ปีที่แล้ว +15

      @@calrmaster7721 the pause could also be of just a five minutes break learn to value someone`s effort instead of finding and boticing flaws

    • @adi5958
      @adi5958 2 ปีที่แล้ว +2

      @@shubhamkatyan8069 I think they just pointed it out , I don’t think they meant to spread any negative shit :)

  • @_divyesh_2644
    @_divyesh_2644 4 ปีที่แล้ว +716

    *Physics is really interesting if your teacher is good at it*
    You know what I mean,we both are in a same boat aren’t we?

  • @eddy18457
    @eddy18457 2 ปีที่แล้ว +71

    at 41:50, for those who are thinking why sin o became equal to tan o, since o is very small, therefore cos o tends to 1......
    that is why sin o = tan o
    (o= theta)

    • @the100kmaster4
      @the100kmaster4 4 หลายเดือนก่อน +1

      i have a question, for example we want to know the location of 10000th fringe and sino= 10000lambda/d then now lambda is considerably big, and we can't take sin as tan, so what now?

    • @AnilKumar-p9b9c
      @AnilKumar-p9b9c 3 หลายเดือนก่อน +1

      ​@@the100kmaster4for high value of n convert sin to tan rather than applying limit

  • @NaughtySarcaster
    @NaughtySarcaster 4 ปีที่แล้ว +617

    Yahi 2 ghante ka lecture agar kisi aur teacher ka hota to aadha tym nind aata...but here is another case... love you sir😀😀 hit like 👇👇👇

    • @khushboo043
      @khushboo043 4 ปีที่แล้ว +6

      Shi bol rhe ho ...😃

    • @vandnachoudhary2370
      @vandnachoudhary2370 4 ปีที่แล้ว +3

      Such main ASHA hi Hona tha

    • @babitamittal1075
      @babitamittal1075 4 ปีที่แล้ว +2

      Sooo true

    • @ashutri2006
      @ashutri2006 4 ปีที่แล้ว +3

      th-cam.com/play/PL4F_Jd9TacP3CmfppA2ZGrYkEHgh7Du-X.html view my channel for physics class12 ncertphysics pattern based lecture with theory

    • @SANDEEPKUMAR-ik5di
      @SANDEEPKUMAR-ik5di 3 ปีที่แล้ว +2

      Sahi kaha

  • @SaurabhKumar-fm5wx
    @SaurabhKumar-fm5wx 4 ปีที่แล้ว +128

    Best teacher of my life he is the only reason for my love towards physics.In I hate physics I can't understand anything.In 11 I started watching alakh Sir videos and my interest in physics grow so thanku alakh Sir

  • @omkarugale1753
    @omkarugale1753 4 ปีที่แล้ว +408

    1:03:30 I think the answer is 0.875 mm.
    (edited) the answer of the 2nd part is 0.125 mm.

    • @gauravgupta8230
      @gauravgupta8230 4 ปีที่แล้ว +90

      I was getting the same ans ... I thought that I would have done some mistake😂😂
      I was finding one comment so that i can cross check and i got your comment .. thank you broo👍

    • @omkarugale1753
      @omkarugale1753 4 ปีที่แล้ว +16

      @@gauravgupta8230 i do the same drill , i think thats how we can help each other. ✌

    • @gauravgupta8230
      @gauravgupta8230 4 ปีที่แล้ว +7

      @@omkarugale1753 yeah 🤘🤘

    • @krishguna.1806
      @krishguna.1806 4 ปีที่แล้ว +69

      I agree that 1st answer is went wrong but.....Answer of second part is 1.25mm.... chek it bro😅

    • @shaziya3663
      @shaziya3663 4 ปีที่แล้ว +8

      its crt ,sir wrote it in m ..

  • @siuuuuuu1212
    @siuuuuuu1212 ปีที่แล้ว +84

    1:34 start
    12:00 bright & dark spot path difference
    15:31 🔺✔
    18:00 derivation
    22:43 central maximum
    23:25 🔺✔
    25:10 B & D spot location
    58:19 question solving 👌
    1:24:01 intensity
    1:34:02 condition for interference

  • @shivachauhan4101
    @shivachauhan4101 4 ปีที่แล้ว +477

    none has the courage to comment wrong things about physics wallah sir as he is a great personality and ofcourse a great teacher.

  • @lordjovin2504
    @lordjovin2504 4 ปีที่แล้ว +825

    16 April - 2.58 M
    17 April - 2.59 M (Morning) 2.6M (Evening)
    18 April - 2.61M
    Waah sir kya growth rate hai, lockdown me jyada padhai ho Rahi hai👌

  • @zorouchiha6397
    @zorouchiha6397 4 ปีที่แล้ว +306

    at 24:20
    Sir === lecture lamba chalega ek(1)ghanta Itna minute
    Me == sir approximately lecture do(2) ghante ka h aur note 📖 banate banate lagbhag teen(3)ghante lag jaenge
    But as usual lecture me to hamesha ki terha bhut mazza aya😃
    Really sir thanks a lot for your hard work

    • @ayush15093
      @ayush15093 3 ปีที่แล้ว +4

      Shobhit Monga 3 ghante bhi kam hai

    • @raunakkeshari3964
      @raunakkeshari3964 3 ปีที่แล้ว +3

      Le bhai tera ek like bacha hai 100 hone me maine kar diya ek like🤣🤣🤣

    • @anandgoyalannu8060
      @anandgoyalannu8060 3 ปีที่แล้ว

      Sahi h

    • @integralguy766
      @integralguy766 3 ปีที่แล้ว +3

      @@ayush15093 mai to video dekhta hu 2x par to 1 ghnte me khtm hojaata hai aur har page ka screenshot leleta hu... fir baad me note krta hu to total 1ghnte 40 min. Lgte hai... saving time

    • @satishkumarmeher8899
      @satishkumarmeher8899 3 ปีที่แล้ว

      Bhai tum kahan se ho

  • @benjaminms3327
    @benjaminms3327 3 ปีที่แล้ว +680

    Me: 😲😲😲 this lecture is almost 2 hrs...n sir will teach two hours without sitting even once
    Sir's t shirt:u r over reacting

    • @nishu1825
      @nishu1825 3 ปีที่แล้ว +2

      🤣🤣😆

    • @maroofrizaakhan3369
      @maroofrizaakhan3369 3 ปีที่แล้ว +33

      This t-shirt holds more information than by**'s whole faculty :)

    • @chenoob
      @chenoob 3 ปีที่แล้ว +4

      bhai edited bhi to ho sakta hai.

    • @rishabh8293
      @rishabh8293 3 ปีที่แล้ว +3

      @@chenoob printed hai 🤦‍♂️

    • @piyushparab6954
      @piyushparab6954 3 ปีที่แล้ว +6

      @@rishabh8293 he is talking abt the video not the shirt

  • @rajatgodara6444
    @rajatgodara6444 3 ปีที่แล้ว +275

    1:02:00
    There is question mistake or you can say Answer mistake as if you solve that question you will get 8.75* 10^-4 and sir answer has 10^-3 .
    Means Value of d should be 0.1mm as per sir's answer 👍🏻

    • @firmreach1820
      @firmreach1820 3 ปีที่แล้ว +15

      Agreed bro ....i also got 10^4

    • @nikitakumari1804
      @nikitakumari1804 3 ปีที่แล้ว +4

      True

    • @sks2438
      @sks2438 3 ปีที่แล้ว +11

      Thanks a lot bro, I was also confused

    • @saransh_24
      @saransh_24 3 ปีที่แล้ว +4

      same mera yehi aa raha tha mai bhi confuse kaha galti kardii!!

    • @super--cluster
      @super--cluster 3 ปีที่แล้ว +2

      You are right

  • @thewanderertohome4333
    @thewanderertohome4333 4 ปีที่แล้ว +86

    Sir you are like Anand Kumar of Super 30
    Both left their well paid coaching centres and started giving free education to students.
    Salute to your dedication
    🙏🙏🙏🙏🙏🙏

  • @sonali6919
    @sonali6919 2 ปีที่แล้ว +84

    Sir you are getting the fruits now for the hardwork which you did 2 years ago
    "कर्म करते जाओ ,फल कि चिंता मत करो"
    Prooved

    • @GwtToyash
      @GwtToyash 2 ปีที่แล้ว +2

      Yess bro

    • @satyampandey890
      @satyampandey890 2 ปีที่แล้ว

      Ooh yes ! Got large fruit ...for those days of hardwork

  • @ramanavenkat7496
    @ramanavenkat7496 4 ปีที่แล้ว +827

    Who else are watching these videos in lock down hit a like for Alakh Pandey sir
    Even if online classes are their in u r college

    • @rahulchakravorty86
      @rahulchakravorty86 4 ปีที่แล้ว +6

      Clg ki classes ne toh ma chod diya tha

    • @sidman1505
      @sidman1505 4 ปีที่แล้ว +19

      Cheap way to beg for like.

    • @sonit9707
      @sonit9707 4 ปีที่แล้ว +3

      Siddharth Manna haan bhai. Ye woh bande hein jo social media ke fascination ki diniya mein Lost hon gaye hain.

    • @sidman1505
      @sidman1505 4 ปีที่แล้ว +2

      @@sonit9707 sahi bola🤔👍🏻

    • @devplays3200
      @devplays3200 4 ปีที่แล้ว +6

      College me yeh Sab hota Hain
      Yeh to jee ke liye Hain na

  • @SushilSingh-fi1yj
    @SushilSingh-fi1yj 4 ปีที่แล้ว +548

    Exams are very near
    We need a live stream for 30min
    The people who argee -like for your presence 👉🙋🙋🙋

  • @smrutirekhapadhi4301
    @smrutirekhapadhi4301 4 ปีที่แล้ว +361

    1:03:40 sir shayad 0.875 mm ans aayega

  • @AnuragYadav-vv1px
    @AnuragYadav-vv1px 3 ปีที่แล้ว +149

    ALAKH SIR'S T-SHIRT IS REPRESENTING THE REALITY OF OTHER TH-cam TEACHERS

    • @yashwanths6529
      @yashwanths6529 3 ปีที่แล้ว +9

      Teachers ko respect karna seekho.

    • @offset_ankit
      @offset_ankit 3 ปีที่แล้ว +7

      Aur tum kisi ko kam gyan dena seekho😂😂😂

    • @frankcastle6849
      @frankcastle6849 3 ปีที่แล้ว +1

      @@yashwanths6529 chup ekdum chup

    • @keshavaggarwal8315
      @keshavaggarwal8315 ปีที่แล้ว

      @@frankcastle6849 andha fan

    • @frankcastle6849
      @frankcastle6849 ปีที่แล้ว +1

      @@keshavaggarwal8315 chup ekdum chup

  • @govardhansaji4266
    @govardhansaji4266 4 ปีที่แล้ว +120

    Don't hesitate to watch because of 2hr after u spend it u won't regret it in ur life😍

  • @akalsepaidal3355
    @akalsepaidal3355 4 ปีที่แล้ว +270

    Newton: gives corpuscular theory
    Young: im bout to end this man's whole career

    • @neerajsanwal9528
      @neerajsanwal9528 4 ปีที่แล้ว +19

      Le laplace - Am I joke to you?

    • @muqsit81
      @muqsit81 3 ปีที่แล้ว +2

      🤣🤣🤣lol

    • @sandeepgholap8512
      @sandeepgholap8512 3 ปีที่แล้ว +9

      @@neerajsanwal9528 strodinger be like hold my beer😂

    • @arjunprasad3535
      @arjunprasad3535 3 ปีที่แล้ว +16

      Schrodinger would be like: hold my cat

    • @theeagle9052
      @theeagle9052 3 ปีที่แล้ว

      And all were right😀

  • @fishkibits9679
    @fishkibits9679 2 ปีที่แล้ว +47

    58:19 question solving 👌
    1:24:01 intensity
    1:34:02 condition for interference

  • @einsteinhsss
    @einsteinhsss 4 ปีที่แล้ว +117

    2 hours of epic cinema

    • @atmakurinikhilesh7658
      @atmakurinikhilesh7658 4 ปีที่แล้ว +5

      Hero producer director comedian
      All are himself

    • @einsteinhsss
      @einsteinhsss 4 ปีที่แล้ว +6

      @Md Saif Cinema is an art form. Sir's videos=art lol. And hence, I said that

    • @user-nn3lp4ny5t
      @user-nn3lp4ny5t 4 ปีที่แล้ว +4

      Most superhit and highest earning and loving 😁😁😁😍😍😍 movie

  • @jixa2109
    @jixa2109 3 ปีที่แล้ว +18

    1:03:40
    shayad answer 8.75 × 10^-4 metre hai
    or 0.875 milimetre

  • @nirbhaykumar7684
    @nirbhaykumar7684 4 ปีที่แล้ว +425

    SIR AAP PHYSICS WALLAH NHI UPPER WALLAH HO
    THOSE WHO AGREE THEN 👍👍👍👍

    • @samirgyawali5207
      @samirgyawali5207 4 ปีที่แล้ว +4

      10k subscriber without any video challenge : Absolutely. I'm from 🇳🇵

    • @nirbhaykumar7684
      @nirbhaykumar7684 4 ปีที่แล้ว

      @@samirgyawali5207 no bro its fake

    • @KhushiBAP
      @KhushiBAP 4 ปีที่แล้ว +3

      😂🤣salo like mange aa jateho sirk nam pe

    • @KhushiBAP
      @KhushiBAP 4 ปีที่แล้ว +6

      Are jnab sir to hamari jan hai sir nhi to hum nhi but mujhe dikkat tumhare like mangne pr nhi hai bhi hum bina video dekhe hi phle like karte hai video bad me dekhte hai kyo sir is our lifeline agar meri bat se bura laga ho to sorry😅😅

    • @nirbhaykumar7684
      @nirbhaykumar7684 4 ปีที่แล้ว +3

      @@KhushiBAP nhi bhai hmko koi problem nhi hai I am also sorry. Bhai upper me likha hai ki fake account hai .hm bahut dekh rhe the ki aasse hi account bna kr subscriber gain kr rhe the isliye ek experiment hmne bhi kr di

  • @prathammishra1871
    @prathammishra1871 2 ปีที่แล้ว +21

    1:33:12 dont get confused , sir just wants to explain , yeh central bright nahin hai , yeh bas woh path difference hai joh C.bright pe milne waali waves ke beech hota hai (0) , this is the graph of path difference , not the intensity at distances on either side of the central bright point . The left side of the graph does not have -ve sign for the same reason and in fact the left side of the graph is not needed

    • @abishekks3921
      @abishekks3921 ปีที่แล้ว

      thanks for making us understand the physicality of graph

  • @prabhudev1732
    @prabhudev1732 4 ปีที่แล้ว +102

    Best part of this video “Mumi Dekho interference of light " flying chappal received 😁😄 17:07min

    • @deshnajain1757
      @deshnajain1757 3 ปีที่แล้ว +1

      Gourav sir (vedantu) se padhe ho kya.. flying chappal..🤣😂

    • @davendrachauhan7946
      @davendrachauhan7946 3 ปีที่แล้ว

      @@deshnajain1757 nhi bro isi video ki baat kar raha h ye

    • @deshnajain1757
      @deshnajain1757 3 ปีที่แล้ว

      @@davendrachauhan7946 hmm.. muje v poora lecture dekhne ke bad smajh aa gaya 😅😅

  • @gouravk4564
    @gouravk4564 3 ปีที่แล้ว +169

    The dislikers are teachers and students of high end coaching institutes😂😂😂
    Salute to your hardwork sir.

    • @aayat54528
      @aayat54528 3 ปีที่แล้ว +3

      😂😂

    • @deveshawasthi3623
      @deveshawasthi3623 2 ปีที่แล้ว +4

      Not students, because they also watch him.

  • @AdityaSingh-wq7vl
    @AdityaSingh-wq7vl 4 ปีที่แล้ว +26

    Now I feel so lucky that this 12 batch was accompanied by our beloved Sir who started teaching our batch when we were in 11

  • @aartishah6086
    @aartishah6086 2 ปีที่แล้ว +14

    guys if you are solving the questions by your own self, then you will find a mistake at 1:03:53
    the answer will be 0.875mm

    • @sameersinha21
      @sameersinha21 2 ปีที่แล้ว +2

      True'😀 even I was looking for that in comment sec 😅

    • @mehakkaur6869
      @mehakkaur6869 2 ปีที่แล้ว +3

      I have wasted my last 15 mins trying to solve this, ans wasnt matching, tysm broo

    • @IITB-CSE-lunga
      @IITB-CSE-lunga 9 หลายเดือนก่อน

      @@mehakkaur6869😎

  • @PhysicsWallah
    @PhysicsWallah  4 ปีที่แล้ว +334

    Download PDF Notes of this Lecture Soon @ physicswallahalakhpandey.com/class-xii/physics-xii/10-wave-optics/

  • @kirankiru8088
    @kirankiru8088 3 ปีที่แล้ว +24

    Sir is giving his most valuable time to us....so we have to keep the value of his hardwork and time

  • @vibecatcher7917
    @vibecatcher7917 3 ปีที่แล้ว +107

    This Man deserves Every Best❤
    He's just too amazing..Omg

  • @fatimaahmed9405
    @fatimaahmed9405 2 ปีที่แล้ว +115

    Brother, i am so thankful to you for all these lectures. Whenever i am unable to grasp some concepts, i know just where to go! Physics wallah! Love From across the border 🇵🇰

  • @TheMaD69KiD
    @TheMaD69KiD 4 ปีที่แล้ว +43

    1:3:42 sir mujhe lagta hai wo 8.75 into 10 to the piwer minus 4 hoga 😅😅😅

  • @ankitajamwal4630
    @ankitajamwal4630 4 ปีที่แล้ว +69

    26:18
    Baat to h sir
    Raat ko ittni mehnat hamare liye seriously sir we will never be able to pay u back because it's way more than just money

    • @thankyounext4962
      @thankyounext4962 3 ปีที่แล้ว +6

      A really stupid reason not to help him with money ....if u can send him some money rather than typing a stupid useless comment giving reason y u r not sending money....don't b dumb

    • @singva7506
      @singva7506 3 ปีที่แล้ว +1

      @@thankyounext4962 savage reply bro agreed👍

    • @sumitamehra8035
      @sumitamehra8035 3 ปีที่แล้ว

      We can pay him back by getting good marks 👀

    • @yashwanths6529
      @yashwanths6529 3 ปีที่แล้ว

      @@thankyounext4962 kya hogaya bhai tujhe

  • @alfiyavahora5472
    @alfiyavahora5472 3 ปีที่แล้ว +122

    "Mummy dekho interference ho raha hai " It's too comedy 😄

    • @reelslife840
      @reelslife840 3 ปีที่แล้ว +10

      Flying chhappal received 😂😂 that was really funny 😂😂😂

    • @Priya-wk7fw
      @Priya-wk7fw 2 ปีที่แล้ว +1

      two slipper will come and form a constructive interference on the face

  • @muhatasimfuadhridoy825
    @muhatasimfuadhridoy825 2 ปีที่แล้ว +10

    All the teachers except alakh sir go to the main content along with the mathmatical term but here is our alakh sir who firstly gave the real feel of it in the first ten minutes, hats off sir! Take respect from Bangladesh Sir

  • @muskanstudio5097
    @muskanstudio5097 4 ปีที่แล้ว +44

    None can clear concept in physics like
    Physics wallah,,😘😘🥰 Alakh sir you are greatttttttt

  • @aisha3576
    @aisha3576 3 ปีที่แล้ว +129

    Today started this chapter Nd this part is going on..can't afford the online classes so from now no tension of physics__"🙃
    Thank you so much sir ....may God bless you with health Nd wealth...(✿^‿^)

  • @Sufyanlateef
    @Sufyanlateef 9 หลายเดือนก่อน +10

    Our Beloved Alakh Sir deserved to shine and indeed shined and is still winning millions of hearts.The day since I got to know Alakh Sir,I got blindly attached to him,Physics Wallah and the spirit to Crack JEE which I don't know what a magic this person has.I am today completing this chapter from him and this is a topic which is difficult to understand but with him it is like buttery smooth understanding.From now on whenever I get to visit this video I would be remembering these days and Alakh Sir,PW and everything....

    • @Dr_ooo
      @Dr_ooo 8 หลายเดือนก่อน +1

      (This man )😎🤏😳how u use these two words for him ?... respect ur teachers.

    • @Sufyanlateef
      @Sufyanlateef 8 หลายเดือนก่อน

      @@Dr_ooo bhai sorry dil se nikla tha samaj nai aaya kya likhu.Sir ki dil se respect karta hu abhi edit karke hata ta hu.Sorry once again

    • @bxbybxnny5640
      @bxbybxnny5640 8 หลายเดือนก่อน

      @@Dr_ooo abey konsa sir cmnts padhte h sahi hi likha tha usne

  • @kaushlendrapathe
    @kaushlendrapathe 2 ปีที่แล้ว +8

    Alakh Sir established a Unicorn Platform.
    How?
    Simple Answer:- He love Physics. And he can make you Love Physics with super ease.
    Love you Sir. ♥️

  • @p_r_a_k_r_i_t_i9539
    @p_r_a_k_r_i_t_i9539 4 ปีที่แล้ว +339

    Sir iske baad modern physics
    Please
    Who is agree like here👇

  • @frolictalks
    @frolictalks 4 ปีที่แล้ว +28

    Oh god ,I just can't watch the whole video for 2hrs...damn sir how did you made it!
    Hatssof

  • @aafiyamemon9535
    @aafiyamemon9535 3 ปีที่แล้ว +44

    A student watching sir's lecture at X1.75 speen when comes back to normal speed it seems as if the video speed is slowed down to X0.25 😂🤣😂

  • @MR12003
    @MR12003 2 ปีที่แล้ว +10

    Old is gold ❤️✨

    • @tanish7874
      @tanish7874 2 ปีที่แล้ว +1

      and new is.... what

    • @fortex1893
      @fortex1893 2 ปีที่แล้ว +1

      @@tanish7874 vo diamond 💎😅

  • @msb3621
    @msb3621 ปีที่แล้ว +72

    Bhai dhyan se dekho toh sir ke watch mai 1 baje hai... Hats off to sir's dedication. 👏💯

    • @sehajsukhleensingh1189
      @sehajsukhleensingh1189 ปีที่แล้ว +14

      Meri watch pe bhi same time ho raha hai aur 1.5 months badd board exam hai ,🤧😬
      Agar sir ke lecture na hote toh hamara kya hota 🥲

    • @adityanarayan2721
      @adityanarayan2721 ปีที่แล้ว +3

      @@sehajsukhleensingh1189 same bhai 1.5 month me exam h fati pdi h

    • @muskansharma492
      @muskansharma492 ปีที่แล้ว

      @@adityanarayan2721 mere to 20 din baad hi hain🙂

    • @adityanarayan2721
      @adityanarayan2721 ปีที่แล้ว

      @@muskansharma492are Mai board ki baat kr rha tha yarr pre board me to mere bi 20 din h🥲🥲

    • @bhavesh2005
      @bhavesh2005 ปีที่แล้ว

      It can be afternoon too 😜

  • @abx605Vishal
    @abx605Vishal 4 ปีที่แล้ว +311

    💥☝दुनिया का हर शौक पाला नहीं जाता,
    कांच के खिलौने को उछाला नहीं जाता,
    मेहनत करने से हो जाती है मुश्किलें आसान,
    क्योंकि हर काम तकदीर पर टाला नहीं जाता है। 🙏🙏

  • @asbinapaudel4081
    @asbinapaudel4081 3 ปีที่แล้ว +15

    Lots of Love from Nepal 🇳🇵🇳🇵🇳🇵🇳🇵🇳🇵🇳🇵to the respected sir Alakh pandey🤩🤩💘😘🥰

  • @muzmmalbutt5230
    @muzmmalbutt5230 4 ปีที่แล้ว +23

    Sir g kamal kar diya still see vedio in lock down 😂. Muskhil kam. Ko bht asan kar diya wahhh clap for uu👏👏

  • @vivekmohanrajoriya15
    @vivekmohanrajoriya15 2 ปีที่แล้ว +22

    I am a teacher of Physics,and your videos helped me a lot.... thanks sir😊

  • @mbbs0408
    @mbbs0408 4 ปีที่แล้ว +74

    Here we learn "THE BEAUTY OF PHYSICS BY PHYSICS WALLAH"

  • @souravsingh3627
    @souravsingh3627 3 ปีที่แล้ว +28

    Have you noticed sir was full tired....Still he continued the lecture just for us❤️...
    He is great ❤️💥

  • @Mansisharma-kq1cl
    @Mansisharma-kq1cl 4 ปีที่แล้ว +22

    Thank you sir u r the best teacher that i ever seen. U make me fall in love with physics😍😍🙈

  • @samapikachoudhury4350
    @samapikachoudhury4350 8 หลายเดือนก่อน +8

    It's 1st January 2024 12:17 am
    Am celebrating new year with alakh sir ❤❤ hats off to you sir

    • @shivamgupta9329
      @shivamgupta9329 8 หลายเดือนก่อน

      Alakh sir is best❤

    • @youtubersdub4339
      @youtubersdub4339 8 หลายเดือนก่อน

      ​@@shivamgupta9329​​ bhai mai board keliye sirf padh raha hu to kya YDSE ka sirf yehi ek lecture krru ya phir part 2and part 3 bhi karru ?? Please btaao

    • @shivamgupta9329
      @shivamgupta9329 8 หลายเดือนก่อน

      @@youtubersdub4339 yy bro enough hai

  • @arjunsahu9260
    @arjunsahu9260 4 ปีที่แล้ว +94

    His way of teaching is so good that people fear to write wrong about him like if u agree

    • @karansandhu4827
      @karansandhu4827 3 ปีที่แล้ว +1

      I dont. He is shit

    • @gursevsingh4820
      @gursevsingh4820 3 ปีที่แล้ว +12

      @@karansandhu4827 i feel sorry for u

    • @karansandhu4827
      @karansandhu4827 3 ปีที่แล้ว +1

      Shivraj Bhosale lmao i don’t watch his free leacture snowflake. I came to his video to show my friend what simps look like. Just go to comment section and you will find finest simps of this planet.

    • @adityapradhan675
      @adityapradhan675 3 ปีที่แล้ว +2

      @@karansandhu4827 referring others as simps doesnt make you an intellectual one ....stop spreading hate

    • @karansandhu4827
      @karansandhu4827 3 ปีที่แล้ว +2

      @@adityapradhan675 calling someone simp is not hate simp

  • @ManishaKumari-ib3nu
    @ManishaKumari-ib3nu 4 ปีที่แล้ว +34

    Best teacher in whole world ...lots of love from ur student , ur fan ..🥰🥰

  • @manojkumarsingh51
    @manojkumarsingh51 3 ปีที่แล้ว +7

    The most attractive thing which I like in him ...that he is very natural .. specially.❤️❤️ He is not snide.., bogus ... Very energetic always in every lectures

  • @kaushlendrapathe
    @kaushlendrapathe 2 ปีที่แล้ว +493

    I am leaving this comment here so that whenever someone likes it, I watch this beautiful lecture again and again.

    • @prernachauhan7438
      @prernachauhan7438 ปีที่แล้ว +39

      Why you want to watch this lecture again and again..? Didn't you get this whole thing just by one time?

    • @itzinsaane
      @itzinsaane ปีที่แล้ว +24

      @@prernachauhan7438 he mean if he fail again he will watch sir's video again

    • @AyushKumar-bp3cl
      @AyushKumar-bp3cl ปีที่แล้ว +15

      @@itzinsaane man has watched it 140 times by now

    • @dataisinteresting1730
      @dataisinteresting1730 ปีที่แล้ว +4

      Wahh bhai tune 150 baar dekhi hai ye video

    • @Sunflower99-99
      @Sunflower99-99 ปีที่แล้ว +2

      kya baat hai

  • @jyoshnamahananda217
    @jyoshnamahananda217 3 ปีที่แล้ว +16

    2 hour 😱........ For us. I unable to speak anything about this very good explanation ,😍amazing,fabulous,awesome 😇vdo. Only I salute 🙏Alakh sir🙏.

  • @mandeepkumar1858
    @mandeepkumar1858 3 ปีที่แล้ว +55

    Sir , pls tell me from where you got this huge knowledge, I am ur biggest fan sir ,I watch ur videos to gain knowledge although I had completed my m.sc physics,really u r doing fantastic job .....

    • @vagmine_.vartika
      @vagmine_.vartika 2 ปีที่แล้ว +1

      Obviously from reading books from different source like walter levies sir hc verma other great books of physics

    • @T84Fhe
      @T84Fhe 7 หลายเดือนก่อน

      ​@@vagmine_.vartika ok

  • @nashratnur3447
    @nashratnur3447 3 ปีที่แล้ว +27

    I'm here for online classes during this lockdown!! helpful 💕

  • @yashsatam9104
    @yashsatam9104 2 ปีที่แล้ว +3

    Another way to do this question @1:16:00
    Since Wavelength is directly proportional to fringe width, using proportionality calculate the fringe width due second wavelength and using that fringe width calculating 4th minima.

    • @ludokimg
      @ludokimg 12 วันที่ผ่านมา

      Woah same approach bruh

  • @PrinceKumar-ps2gb
    @PrinceKumar-ps2gb 3 ปีที่แล้ว +13

    See 23:30 this moment at 0.5x speed
    You can understand sir's emotions

  • @gayatreenayak2089
    @gayatreenayak2089 4 ปีที่แล้ว +16

    Agar koi teacher 30mins padhaye to bacho ke chhodo..wo khid hi thak jata he ..aur app toh 2 hrs akele padha rehe ho...BIG #LEGEND

  • @jadumonisonowal3036
    @jadumonisonowal3036 4 ปีที่แล้ว +9

    your way of explaining things is so awesome ........it takes no time to grasp any topic ,Hats off for you SIR

  • @gavendrasinghparmar3330
    @gavendrasinghparmar3330 2 ปีที่แล้ว +13

    Continuously writing, speaking and standing for two hours only for us with free of cost ....salute to your hardwork sir🙏🙏

  • @Pikachu_XY
    @Pikachu_XY 11 หลายเดือนก่อน +6

    Q1 ka answer 8.75 × 10^-4 m hoga ya 8.75 × 10^-3 m
    Pls clear this doubt sir

    • @madhav2912
      @madhav2912 11 หลายเดือนก่อน

      Correct bro

    • @MR_BEAN725
      @MR_BEAN725 11 หลายเดือนก่อน

      Minus 4 is ✅️ mera bhi same aaya.

  • @vedanshgupta178
    @vedanshgupta178 2 ปีที่แล้ว +14

    Who knew that time that this man would create history. ❤️🔥

  • @ayushgupta-uf9ss
    @ayushgupta-uf9ss 2 ปีที่แล้ว +5

    1:04:55 I think the answer is .875mm
    And second part the ans is 1.25 mm

  • @RituPandey-zm1ck
    @RituPandey-zm1ck 7 หลายเดือนก่อน +3

    Seriously old is gold
    Salute to you alakh sir❤️

  • @muskangarg9359
    @muskangarg9359 3 ปีที่แล้ว +13

    At 1:03:33, isn't the answer should be 8.75×10^-4🤔

  • @joman2369
    @joman2369 4 ปีที่แล้ว +7

    Aap nhi teh toh sir unacademy se kaam chalaraha tah but feel nhi hua ...lkin now im confident wid YDSE thank you sir
    May god bless you
    Those wu agree sir k liye like tokho

  • @uttammishra2021
    @uttammishra2021 3 ปีที่แล้ว +5

    I just watched double slit experiment experiment on TH-cam via animation I Wonder If sir had the proper Apparatus the explanation would be mind-boggling I can't even imagine how amazingly sir had explained this. For those who are unable to get this experiment plz watch the real experiment what it was I am amazed this exp is growing love for physics more n more wow amazing

    • @AmitKumar-nq7wk
      @AmitKumar-nq7wk 2 ปีที่แล้ว

      I haven't watched this video yet but sir ne ye bataya kya ki jab observer na ho to light dusri tarah behave karte hai? Yahi is experiment ki mystery hai

  • @Throneffx6
    @Throneffx6 ปีที่แล้ว +3

    01:03:32 ... Sir it's 8.75×10^-4

  • @BOARD_WITH_OM
    @BOARD_WITH_OM ปีที่แล้ว +5

    1:03:52 a small mistake in ques as i check on google in ques d=0.1 mm so ans is seperation=8.75 mm

  • @srijadawn4661
    @srijadawn4661 4 ปีที่แล้ว +13

    Sir your way of clearing the concepts of students is the best!!!!!

  • @Maahir_Solanki
    @Maahir_Solanki 10 หลายเดือนก่อน +7

    1:03:47 sir is time par jo question ka solution hai vo shayad galat ho gaya hai. Answer 0.875 mm hai jise aapne galti se 8.75 kar diya hai

    • @aj_tech456
      @aj_tech456 10 หลายเดือนก่อน

      Mera bhi same 0.875mm hi aa raha hai

    • @AmitSingh-ep5zq
      @AmitSingh-ep5zq 9 หลายเดือนก่อน

      ​@@GADGETS4Y0Uit's actually 0.875 mm😅

  • @Riyaraj-x1c
    @Riyaraj-x1c 6 หลายเดือนก่อน +6

    Physics is directly proportional to alakh sir 😊

  • @Mayankraj4177
    @Mayankraj4177 3 ปีที่แล้ว +7

    In 1:03:35 answer should be 8.75×10^-4

  • @OM-xo2fr
    @OM-xo2fr ปีที่แล้ว +5

    Gajab ... At this time when there are many options on you tube.... We are here for only and only alakh sir .... Hats off sir ☺️☺️

  • @prajwalsutar1548
    @prajwalsutar1548 2 ปีที่แล้ว +17

    00:01 !!! HELLO BACHO !!!
    00:53 Starting of World's best Explanation on YDSE
    06:25 Birth Of Quantum Mechanics
    06:43 😎 Thomas Young 😎 be like " Hum bi kisi se kum Nahi"
    09:11 Home-made YDSE Instruction🤣
    12:00 Condition for bright spot formation
    13:38 Condition for dark spot formation
    17:17 ~~~ Mathematical Analysis of YDSE ~~~ 58:00
    18:00 ~ 23:48 Basic Mathematical setup of YDSE
    24:59 Location of Particular Maxima(BRIGHT SPOT) & Minima(DARK SPOT)
    50:27 Fringe width ( w or β )
    58:18 Numericals
    01:17:02 Last & Best Numerical of the Video
    01:24:38 Intensity for graph
    01:30:41 INTENSITY v/s PATH DIFFERENCE GRAPH
    01:34:00 CONDITIONS OF SUSTAINED INTERFERENCE PATTERN
    01:48:57 Q) White Light Interference
    01:55:58 Last question of the video
    1:56:42 PADI KARTHA RAHAI ~~~~~ !!! ALL THE VERY BEST !!!~~~~~

  • @ttnutkarsh1399
    @ttnutkarsh1399 ปีที่แล้ว +21

    Really sir you are best teacher of physics forever

  • @bhavyasaini6070
    @bhavyasaini6070 4 ปีที่แล้ว +16

    Today watched the movie of YDSE
    Directed by alakh Pandey sir ❤🙏

  • @parallax4475
    @parallax4475 4 ปีที่แล้ว +10

    Really sir I am huge follower of quantum physics n astronomy n ik d importance of ydse it was really great

  • @akashmaurya3313
    @akashmaurya3313 4 ปีที่แล้ว +104

    Sir is coming 8.75*10^-4,,how many guys are agreeing,, on 1st question

  • @captaingaming1863
    @captaingaming1863 ปีที่แล้ว +5

    Q1 8.75 * 10^-4

  • @sohinisaha2609
    @sohinisaha2609 3 ปีที่แล้ว +18

    Leave Selena, leave Katrina
    Leave Justin Bieber, leave Virat Kohli
    The best part of my life would be if I get a chance to meet This Winderful Teacher and give a BIG THANKS for his deeds!!!

    • @4jcomedy722
      @4jcomedy722 ปีที่แล้ว

      Kohli is life after him alakh sir

  • @prajapat_4579
    @prajapat_4579 2 ปีที่แล้ว +8

    Confidence is on peak after watching ur full lecture😁🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥

  • @Snapshott_symphony
    @Snapshott_symphony ปีที่แล้ว +4

    Physics mere life mein darr banke aaya tha... Fir aapka channel mil gaya....❤❤aab us darr ko best friend bana chuka hoon

  • @Masked-Student
    @Masked-Student ปีที่แล้ว +3

    01:03:30 the answer is 0.875mm