Ray Optics 22 : Microscope - Simple Microscope & Compound Microscope - JEE/NEET

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  • Опубликовано: 19 дек 2024

Комментарии • 3,6 тыс.

  • @PhysicsWallah
    @PhysicsWallah  5 лет назад +794

    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 )
    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 RUclips)
    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/
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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

  • @bhumikashah1929
    @bhumikashah1929 5 лет назад +1765

    0:30 introduction and near point
    6:36 visual angle (very imp for magnification)
    11:15 magnification of microscope
    14:20 simple microscope
    25:45 special case
    40:00 compound microscope
    1:00:30 summary and formula discussed in lecture
    1:03:00 numericals 🤔🤔
    Hope it helped you 😇😇✌

    • @sankalpangira
      @sankalpangira 5 лет назад +54

      You cannot replace ahmed khan
      Only legends will understand

    • @harshvishwakarma5183
      @harshvishwakarma5183 5 лет назад +4

      Bahut Hard

    • @bhumikashah1929
      @bhumikashah1929 5 лет назад +4

      @@sankalpangira matlab??

    • @nithin1729s
      @nithin1729s 5 лет назад +1

      @@sankalpangira true

    • @nithin1729s
      @nithin1729s 5 лет назад +5

      @@sankalpangira Expectations always Hurt
      Noting is easy as it seems it takes longer than expected if something has to go wrong it will go wrong and at the worst possible moment

  • @poonampal6973
    @poonampal6973 2 года назад +391

    00:00:19 - 00:06:09 - Introduction and Least distance of distinct vision
    00:06:24 - 00:10:52 - Visual angle
    00:11:04 - 00:13:59 - Magnification of Microscope(basic formula)
    00:14:15 - 00:25:30 - Simple Microscope
    00:25:43 - 00:33:00 - Mathematical derivation of formula for Maximum magnification (simple micro.)
    00:33:00 - 00:36:26 - Mathematical derivation of formula for Normal adjustment (simple microscope)
    00:36:48 - 00:40:18 - Summary for above topics
    00:40:26 - 00:54:06 - compound microscope
    00:54:26 - 00:57:30 - Mathematical derivation of formula for Maximum magnification (compound micro.)
    00:57:40 - 00:59:22 - Mathematical derivation of formula for Normal adjustment (compound microscope)
    00:59:30 - 01:00:14 - Length of compound microscope
    01:00:28 - 01:02:50 - Summary for above topics
    01:03:17 - 01:10:45 - Question No. 1
    01:10:50 - 01:21:42 - Question No. 2

  • @achiever8456
    @achiever8456 5 лет назад +1577

    😘😘😘😘😘😘😘😘😘😘
    The only RUclipsR never says to like share and subscribe
    Still he has more subscriber😎😎😎😎😎😎😎😎😎

    • @achiever8456
      @achiever8456 5 лет назад +32

      The power of physics wallah ...

    • @achiever8456
      @achiever8456 5 лет назад +36

      Sir please take care of your health.....
      First aapki health then video😘😘😘😘😘😊😊😊😊

    • @PradeepYadav-fz1cj
      @PradeepYadav-fz1cj 5 лет назад +7

      Ha beta sahi bole par jo pahile jp Sir class me padhaye hai ushe bhi padh liya Karo

    • @Anonymous-uc6ev
      @Anonymous-uc6ev 5 лет назад +6

      Yesss

    • @mr.indiafacts2689
      @mr.indiafacts2689 5 лет назад +4

      Hydrogen chapter previous years best questions video ( पहले अलख सर का वीडियो देखें फिर ये questions practiceकरें )
      Please watch
      ruclips.net/video/c4Nw-5-KcBg/видео.html

  • @DefinitelyPrateek
    @DefinitelyPrateek Год назад +125

    Today it has been almost 4 years since this lecture was uploaded , See what he was at that time and what he is now , this shows us that hardwork never goes in vain

    • @kalpanapathak2769
      @kalpanapathak2769 Год назад

      At 48:28 why is Ue not negative plzz tell😢😢😢😢😢

    • @Edits9538
      @Edits9538 Год назад

      @@kalpanapathak2769it was (-A'B')/(-Ue) so he wrote it like A'B'/Ue

  • @kuriouskid1285
    @kuriouskid1285 5 лет назад +395

    28:45. Motivating himself. No one is there to motivate him at night alone in room.
    This justifies what sir used to say motivation is in yourself.
    U r inspiration sir❤️

    • @aryanraaz119
      @aryanraaz119 4 года назад +11

      Bhai inspiration ki spelling to sai likh dete

    • @veerp2865
      @veerp2865 4 года назад +13

      ARYAN RAAZ everyone makes mistakes. chill.

    • @nikhilnegi9446
      @nikhilnegi9446 4 года назад +29

      @@aryanraaz119 bhai tumne bhi toh apna comment edit Kiya spelling theek krne ke liye🤫🤭🤣🤣🤣

    • @kantisingh2664
      @kantisingh2664 4 года назад +12

      @@aryanraaz119 Tumhari bhi to sahi ki spelling galat hai . Just kidding!!!😀😀😊😊

    • @harshsoni8639
      @harshsoni8639 4 года назад +1

      @@aryanraaz119 eenhi bato mai rh gye

  • @user-kd4hn1ex3c
    @user-kd4hn1ex3c 5 лет назад +208

    Dil se dua sabki taraf se "GOD BLESS YOU SIR "

    • @lolcollection2061
      @lolcollection2061 4 года назад

      ruclips.net/video/l9ztBnqy-NA/видео.html
      Sir in Pakistan and

  • @npckinchi
    @npckinchi 2 года назад +127

    The man who taught Physics to the whole of young India.😌 Trust me Sir, I have joined two coaching institutes(one physical, other dlp) but none made me understand Ray Optics as clearly as you did. You’re the best in your field. I have a lot of respect for you. God bless you Sir🥰

  • @quitzee
    @quitzee 2 года назад +9

    Time Stamps -
    00:00:19 - 00:06:09 - Introduction and Least distance of distinct vision
    00:06:24 - 00:10:52 - Visual angle
    00:11:04 - 00:13:59 - Magnification of Microscope(basic formula)
    00:14:15 - 00:25:30 - Simple Microscope
    00:25:43 - 00:33:00 - Mathematical derivation of formula for Maximum magnification (simple micro.)
    00:33:00 - 00:36:26 - Mathematical derivation of formula for Normal adjustment (simple microscope)
    00:36:48 - 00:40:18 - Summary for above topics
    00:40:26 - 00:54:06 - compound microscope
    00:54:26 - 00:57:30 - Mathematical derivation of formula for Maximum magnification (compound micro.)
    00:57:40 - 00:59:22 - Mathematical derivation of formula for Normal adjustment (compound microscope)
    00:59:30 - 01:00:14 - Length of compound microscope
    01:00:28 - 01:02:50 - Summary for above topics
    01:03:17 - 01:10:45 - Question No. 1
    01:10:50 - 01:21:42 - Question No. 2

  • @TexasUSA606
    @TexasUSA606 4 года назад +3624

    I am here to just remember my old memories... Last year i was in 12th and i prepared my physics from alakh sir❤️❤️❤️❤️❤️

    • @rahulkhinchi3541
      @rahulkhinchi3541 4 года назад +114

      kitne marks aye ? physics m to jarur acche hi aye honge

    • @bkmehra7798
      @bkmehra7798 4 года назад +173

      @@rahulkhinchi3541 100 inphysics all because of alakh sir❤️❤️

    • @rahulkhinchi3541
      @rahulkhinchi3541 4 года назад +39

      @@bkmehra7798 wow goob bro 👌

    • @bkmehra7798
      @bkmehra7798 4 года назад +26

      @@rahulkhinchi3541 thnx sister 🙏🙏

    • @sahil-iv5iv
      @sahil-iv5iv 4 года назад +74

      @@bkmehra7798 u are lying

  • @muskansharma492
    @muskansharma492 2 года назад +35

    Sir you proved the all the moral lessons I read in books "HARD WORK IS THE KEY TO SUCCESS", "NO PAIN NO GAIN " , "WHERE THERE'S WILL , THERE'S ALWAYS A WAY" , "BELIEVE IN URSELF" and there are many that you've proved. Lots of love for u sir.❤❤❤❤

  • @chaudharyujjwal2011
    @chaudharyujjwal2011 5 лет назад +848

    Alakh sir- teacher who can take doubts without asking 🥰
    Physics wallah is best👍👍

    • @prernasaini4713
      @prernasaini4713 5 лет назад +12

      right bro i agree with u

    • @anitaverma2029
      @anitaverma2029 5 лет назад +9

      Yeah, he is just unbelievable

    • @rajuyadav7761
      @rajuyadav7761 5 лет назад +3

      Bro Sir ka assiment, open nahi ho raha hai please help

    • @rohitthakre2064
      @rohitthakre2064 5 лет назад +1

      Right

    • @iasmania3588
      @iasmania3588 4 года назад +7

      Ekdm Dil ki baat bol dii Bina bole doubt jaan jaate he alak sir

  • @PhysicsWallah
    @PhysicsWallah  5 лет назад +156

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

    • @vanshtandon280
      @vanshtandon280 5 лет назад +13

      Sir please complete aldehydes chapter

    • @jaat8256
      @jaat8256 5 лет назад +6

      Sir which will be the next chapter ???

    • @PradeepYadav-fz1cj
      @PradeepYadav-fz1cj 5 лет назад +6

      Sir please complete physics first 🤔🤔🙏🙏🙏🙏

    • @cristianoshorts07c
      @cristianoshorts07c 5 лет назад +7

      Sir please complete aldehyde ketone 🙏🙏🙏🙏🙏🙏🙏🙏

    • @kishanlalsalvi5629
      @kishanlalsalvi5629 5 лет назад +6

      Sir please increase video friquency

  • @39_KaavyaJoshi_VIIB-cn3rf
    @39_KaavyaJoshi_VIIB-cn3rf Год назад +227

    Batch of 2023-24 😊

  • @mansijsagar2458
    @mansijsagar2458 5 лет назад +12

    I have never found such teacher ,itna acche se sir btaaya aapne ki hr question 4-5minutes me solve sir NCERT ke questions toh sbse easy ab LG rhe

  • @sk.shabreensulthana3223
    @sk.shabreensulthana3223 4 года назад +39

    28:45 "isko clear kar kehi jayenge😍" waa sir was Kya motive hi aapki,love u sir😘

  • @shreyassmane5099
    @shreyassmane5099 3 года назад +29

    This sir deserves a award, like seriously what a legend

  • @tejomaya4817
    @tejomaya4817 4 года назад +22

    Thank you so much sir... I have started leaning hindi just to understand your videos.. Thank you so much... You are my dronacharya...

  • @spoidermon561
    @spoidermon561 5 лет назад +13

    He is the best....no comparison... Couldn't find a better teacher than him...he desrves highest respect...all love and wishes to you sir🌠

  • @gaminglegend9949
    @gaminglegend9949 2 года назад +258

    I did not attend my online classes and come here to understand concepts thankyou so much sir 🤩🤩🤩

  • @motivational290
    @motivational290 2 года назад +34

    No one can defeat alakh sir in physics..
    World best teacher in physics 🧡😊

  • @DineshSingh-oc1ub
    @DineshSingh-oc1ub 5 лет назад +299

    My teacher ask me : what do you want to become? 😊
    Me: i want to become just like physicswallah "Alakh sir🙏"
    Mam : who is he? 😠
    Me: mam aapki glti nhi h !! 😂
    Love u sir from uttrakhand💗

    • @himanshusingh5375
      @himanshusingh5375 5 лет назад +2

      I'm also from Uttarakhand

    • @babaanimation5511
      @babaanimation5511 5 лет назад +2

      Same situation from me

    • @luv2716
      @luv2716 5 лет назад +3

      Issmai tumhari galti nahi hai yai dialog mere maths Kai teacher ka bhi hai

    • @sankalpangira
      @sankalpangira 5 лет назад +3

      Tum sab meri hi galti ho

    • @name8166
      @name8166 5 лет назад

      Hey, Does Uttarakhand teachers teach really good??
      Just want to know

  • @sandipmishra2831
    @sandipmishra2831 2 года назад +22

    00:00 (simple microscope)
    41:13 (compound microscope)
    🙂🙂🙃🙃

  • @kumkumrani4856
    @kumkumrani4856 5 лет назад +25

    A great teacher for those who can't bear coaching facilities... Salute to such a great soul

  • @HimanshuSingh-jz3js
    @HimanshuSingh-jz3js 2 года назад +197

    I'm a jee dropper for 2022 just here to learn microscope which other teachers failed to make me understand 😅
    Thank you sir once again ❣️

    • @prashanthkumar0
      @prashanthkumar0 2 года назад +7

      same bhai...
      Chemistry kaisa chal raha hai?

    • @kar1726
      @kar1726 2 года назад +8

      how many marks u got last year in jee mains for4 shifts plz reply

    • @kar1726
      @kar1726 2 года назад +1

      @@prashanthkumar0 how many marks u got in mains last year by calculation?

    • @vedantbirla1713
      @vedantbirla1713 Год назад +2

      Me to ab padh ra hoon 2nd drop

    • @muskankushart4409
      @muskankushart4409 9 месяцев назад +1

      Ho gya na tumhara 🤨?

  • @RadhaKrishna-yn9fq
    @RadhaKrishna-yn9fq 9 месяцев назад +4

    ❤Simple Microscope (summary)
    36:43
    ❤Complex microscope (summary
    1:00:28

  • @MeenaKumari-ig8in
    @MeenaKumari-ig8in 4 года назад +73

    Itna acha content.........🥰🥰🥰🙏🙏🙏
    Mere gaon me physics ki coaching ki cost 20,000 annually h......🙄😳😳😲😲😳😳😳
    I can't afford😥😥😩😩😩😩😩😩😩😩😩😩😩🥺🥺😭😭😭😭😭😭😭😭😭😭😭😭
    Aur physics wallah sir free me itna valuable content de rhe h hme
    Hats off sir🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
    U r so respectful and love u sir😍🤩😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘😘♥️♥️♥️♥️💕💕♥️♥️♥️

    • @yanakamrani9798
      @yanakamrani9798 3 года назад

      Thank u so much alakh sir 🙏🏻🙏🏻

    • @svms07
      @svms07 2 года назад +3

      Bhai tumhari to sirf 20,000 annually thi , hamari 2019 me jee ki coaching , 1.5 lakhs annually thi , I am from Kanpur

    • @svms07
      @svms07 2 года назад +1

      @Meena Kumari , Alakh sir legend hai ❤️🙏🏼

    • @banshkumar3498
      @banshkumar3498 Год назад

      Ye bahut gyada na ho gaya 🤔

  • @HimanshuTiwari-hp1gt
    @HimanshuTiwari-hp1gt 2 года назад +6

    The exact same question without a single change of magnifying power 1:07:00 come in today cbse board exam .....Thank you soo much sir ..

    • @anmolgupta1187
      @anmolgupta1187 2 года назад

      Yes ✌✌
      last question of case study

  • @gksquad2024
    @gksquad2024 2 года назад +143

    Now he have many channels with good offline teachers,but still we come back to his old videos.

    • @followurdreams8860
      @followurdreams8860 2 года назад +7

      Yeah....he is something different from others
      But i love method of mr sir too 😍😍😍🤩🤩🤩🤩🤩🤩😁😁😁

    • @prashantpandey8579
      @prashantpandey8579 Год назад +3

      Bro is this lectures sufficient for jee advanced?

    • @tamalampudivinay1562
      @tamalampudivinay1562 Год назад

      Soo trueee! He's simply gold❤❤

    • @yasdeep2844
      @yasdeep2844 Год назад +3

      ​@@prashantpandey8579 is for the concepts but you have to practice question and pyqs

    • @krishnaanand917
      @krishnaanand917 Год назад

      @@prashantpandey8579 pyq and questions karlo saath me

  • @Getup4Gangs
    @Getup4Gangs 3 года назад +58

    18:30 Already Predict the meme "Shweta"

  • @HarshitSingh-eq5sr
    @HarshitSingh-eq5sr 9 месяцев назад +4

    Whatever I have learned in physics till now only from alakh sir❤❤

  • @nash-fx1
    @nash-fx1 2 года назад +13

    1:05:00 Mein ye question kar ke gya tha, 12th board 2021-2022 Set 3 Mein Chap gya 😍, Alakh Sir ke Purane Lectures Gold hai.

  • @BiswajitHalder-wq8qf
    @BiswajitHalder-wq8qf 9 месяцев назад +3

    Far batter than digit smart borad . very peaceful lecture . man ko bahut shanti milta hai

  • @OmniLux.
    @OmniLux. 5 лет назад +126

    Sir is going to cross 2 million 💐💐💐
    Deserves 2miLlion likes

    • @gangwargangwar2081
      @gangwargangwar2081 5 лет назад +2

      Bhai, What's your SA-1 (Half yearly) Physics score?

    • @OmniLux.
      @OmniLux. 5 лет назад +2

      @@gangwargangwar2081 I got 77 out of 80 in sa1 just because of a mathematical mistake.
      Edit: I am in class 10 I watched this video because I'm an jee aspirant so wanna complete easy topics of 11th and 12th so that I can focus on jee

    • @OmniLux.
      @OmniLux. 5 лет назад +1

      @@gangwargangwar2081 Studying by Sir's videos made me achieve this good score in current class and also study side by side with iit foundation series of pearson so that I can focus on jee

  • @karanrana366
    @karanrana366 2 года назад +25

    Physics=Alakh sir ♥️

  • @kiranbudhathoki8364
    @kiranbudhathoki8364 5 лет назад +141

    As soon as I saw the notification of physics wallah, it brings smile on my face 🥰🥰🥰🥰🥰🥰🥰🥰🥰

  • @abdulrashid2250
    @abdulrashid2250 3 года назад +19

    Hello Alakh Sir Ji ,my name is Ummar and i am from kashmir.I read all my 11th grade from you and i am also read 12th grade from you,Sir you encouraged me and all your students .We found 11th and 12th is easy to read because of you.We also prepared for board exams as well as competative exams just because of you .Finally sir you are our Backbone....!

  • @born2rule467
    @born2rule467 10 месяцев назад +76

    Still students watching this in 2024..

  • @surjeetchoudhary1525
    @surjeetchoudhary1525 5 лет назад +35

    Thank god you are back!!!
    The notification just put a huge smile on face.
    Alla re alla , physics wallah👍👍👍😎😎😎

    • @jas4111
      @jas4111 2 года назад

      Alla re alla mumbai indians

    • @anonymous9217w2
      @anonymous9217w2 2 года назад +2

      @@jas4111 jaa be nikal yahan se

  • @entropycore
    @entropycore 11 месяцев назад +6

    Aap ke jesa to aur koi nahi sir...

  • @Nikulkarni401
    @Nikulkarni401 16 дней назад +1

    1:02:16 sir magnification is v°/u°×D/u(eye)

  • @sakshiagrahari1487
    @sakshiagrahari1487 4 года назад +17

    Happy teacher's day sir
    U are the world best teacher 😍

  • @coolgyan2017
    @coolgyan2017 2 года назад +3

    Sach m yrr jbb bhi meko lgta hai ki abb physics pdhna hai toh meko sbse phle alakh sir hi ydd aate hai mtlb jbb bhi lgta hai iss topic se kuch smjh nhi aaya m RUclips open krta huun aur yaha aata huun sir m aapki life time bhi taareef krrun toh meri life km pd jayegi kyuki aap itni tareef deserve krte ho jo koi andaza nhi lga skta

  • @Umesh.Chandra
    @Umesh.Chandra 3 года назад +27

    Recently brought his Modules for Class 12.Seriously the content is 💯💯

  • @nishantsinghparihar8671
    @nishantsinghparihar8671 4 года назад +13

    SIR SHOULD BE GIVEN A NATIONAL AWARD......

  • @BEITV_Nancy
    @BEITV_Nancy 5 лет назад +12

    Sir aappp sabke physics wallah nhi... Uppar wallah hoo❤❤🥰

  • @amarmallick79
    @amarmallick79 4 года назад +144

    4millions completed today!!!and I'll complete Ray optics today🥳🥳

    • @darakhshayasmeen
      @darakhshayasmeen 3 года назад +2

      I wish i also have done it😫😫😫
      Bro mujhe bhut tough lg rha h ye chapter 😪😪😪
      Kya karu😒😒
      11 lecture ho gye hain complete 😞😞😞

    • @prasuna7476
      @prasuna7476 3 года назад +2

      @@darakhshayasmeen bahoot lengthy hai yaar
      but i completed it after so many days
      all the best!! you can do it!

    • @darakhshayasmeen
      @darakhshayasmeen 3 года назад +2

      @@prasuna7476 ha abhi 19th lecture dekh rhi hu😊

    • @inhuman2
      @inhuman2 2 года назад +5

      😐 anybody in 12th ( 2021-2022 )

    • @ishanshandilya1876
      @ishanshandilya1876 2 года назад

      @@inhuman2 yea

  • @noobhere5781
    @noobhere5781 5 лет назад +9

    Even we feel connected to you sir, really not just saying. Jab mujhe sach me koi point samajh me nai aata hai usi time aap keh dete hain "Nai aayaa samajh? Ye dekho dobara". If this is not connection, then I don't know what is.💓🙏🏻
    I lack words to express your hardwork, dedication and honesty towards your work.👑
    Teacher like you is the dream of every student out there!

  • @jyotirmayeesahoo5830
    @jyotirmayeesahoo5830 4 года назад +8

    Happy teacher's day
    Sir with a lots of respect 😊😊😊😊

  • @ayushtiwari5812
    @ayushtiwari5812 9 месяцев назад +10

    I am still watching this video in 2024❤🤓

  • @tsunami...9579
    @tsunami...9579 2 года назад +19

    It completely feels like as if you are sitting in any coaching institute or any classroom when you are watching Alakh Sir's lectures inspite of being at home.

  • @raggyslaw
    @raggyslaw 5 лет назад +47

    No views 86 likes this is the power of physicswallah

    • @aryanshrivastav4850
      @aryanshrivastav4850 5 лет назад +7

      Its not power of physicswallah but a glitch of youtubewallah😉😉

    • @mr.indiafacts2689
      @mr.indiafacts2689 5 лет назад

      Hydrogen chapter previous years best questions video ( पहलेअलख सर का वीडियो देखें फिर ये questions practiceकरें )
      Please watch
      ruclips.net/video/c4Nw-5-KcBg/видео.html

  • @vedantsoni2006
    @vedantsoni2006 9 месяцев назад +2

    Alakh sir makes everything seem so easy 😮

  • @koralmourya9547
    @koralmourya9547 4 года назад +10

    What a beautiful ❤️ line sir 35:37. concept is Crystal Clear❄️ sir.

  • @addyktive
    @addyktive 5 лет назад +192

    2000 views in 5 minutes 😁
    4000 views in 10 minutes 👍
    That's crazy 🤙

    • @bhumikashah1929
      @bhumikashah1929 5 лет назад +6

      Aditya rawat RUclips only count the views if you watched it for more than 30 sec

    • @mr.indiafacts2689
      @mr.indiafacts2689 5 лет назад

      Hydrogen chapter previous years best questions video ( पहले अलख सर का वीडियो देखें फिर ये questions practiceकरें )
      Please watch
      ruclips.net/video/c4Nw-5-KcBg/видео.html

    • @DineshSingh-oc1ub
      @DineshSingh-oc1ub 5 лет назад

      Aditya you are from UK?

    • @addyktive
      @addyktive 5 лет назад +1

      @@DineshSingh-oc1ub yes.
      But i live in Punjab

    • @addyktive
      @addyktive 5 лет назад

      @Ansh Dogra 😂

  • @RAUNAK27_P01
    @RAUNAK27_P01 Год назад +3

    Thankyou sir very much I was confused in the terms and the cases ..
    After watching the lecture I got the feeeel of the topic..🎉
    Thq very much..❤❤❤

  • @nehapathak4435
    @nehapathak4435 4 года назад +124

    Hello Sir, this is the first time ever.. I'm commenting.., I'm really amazed with the way you teach, I always wanted to tell you how amazing you are.. but never had my own channel to do so! Finally I'm thanking you Sir.. aapki teaching super duper Aasman se oopar wale level ki hai! Lots of respect for you Sir❤️☺️

    • @anshshukla6797
      @anshshukla6797 3 года назад +3

      Why u dont know typing yet
      Just *joke*

    • @duhh9669
      @duhh9669 2 года назад

      @Beluga 🤣🤣haan

    • @duhh9669
      @duhh9669 2 года назад

      @Beluga rong duhhh

    • @duhh9669
      @duhh9669 2 года назад

      @Beluga 🥲are ese expression jese ...duhh

    • @duhh9669
      @duhh9669 2 года назад

      @Beluga 🥲haryana

  • @HasanAli-en7wi
    @HasanAli-en7wi 9 месяцев назад +1

    Wow....the best Ray optic lecture I have got in my life...what a detailed explanation....just love you sir ❤❤

  • @dr.bhartijahanvi9883
    @dr.bhartijahanvi9883 5 лет назад +7

    You are simply amazing!☺️

  • @amandeswal1523
    @amandeswal1523 5 лет назад +10

    Sir, Advance congratulations🎉🎊🎉🎊 for 2million subscribers.

  • @sujaynaidu598
    @sujaynaidu598 3 года назад +94

    18:20 this is that swetha from zoom call and she was talking about ankit in that zoom meeting😂😂

    • @shaileshraj4807
      @shaileshraj4807 3 года назад +3

      how do you know that he was ankit

    • @sujaynaidu598
      @sujaynaidu598 3 года назад +1

      @@shaileshraj4807 click the timestamp and watch again 🙃

    • @shaileshraj4807
      @shaileshraj4807 3 года назад +1

      @@sujaynaidu598 yaaa bro its funny

    • @Dipenderyadav981
      @Dipenderyadav981 3 года назад +1

      Swetha mic mute krle 😂😂

    • @SagarKumar_21
      @SagarKumar_21 3 года назад

      lagta hai Sir ne bhi dekha tha wo video 😂

  • @muskanmitra1832
    @muskanmitra1832 4 года назад +196

    18:21 - Ankit loves shweta....😂
    Ye couple toh mere class me hai they will be very happy sir ne unka naam liya 😂😂😂😂😂😂😂😂

    • @vaibhavdasgupta638
      @vaibhavdasgupta638 4 года назад +11

      Oh really 😂😂?? Do they have the same names ??

    • @muskanmitra1832
      @muskanmitra1832 4 года назад +3

      @@vaibhavdasgupta638 yeah

    • @SSBCOMRADE
      @SSBCOMRADE 4 года назад +37

      @@vaibhavdasgupta638 Bhai Nahi degi...

    • @manav8094
      @manav8094 4 года назад +21

      @@SSBCOMRADEaadi you are so clever 😂

    • @_iamld
      @_iamld 4 года назад +2

      😅😅

  • @naomiemredha866
    @naomiemredha866 5 лет назад +21

    I'VE BEEN WAITING FOR THIS VIDEO ALL MY LIFE

    • @mr.indiafacts2689
      @mr.indiafacts2689 5 лет назад

      Hydrogen chapter previous years best questions video ( पहले अलख सर का वीडियो देखें फिर ये questions practiceकरें )
      Please watch
      ruclips.net/video/c4Nw-5-KcBg/видео.html

    • @ADITYARAJSHARMA-HCS
      @ADITYARAJSHARMA-HCS 5 лет назад

      Me too

    • @sankalpangira
      @sankalpangira 5 лет назад +13

      Paida hote hi ray optics padhna shuru kr diya tha

    • @kavishtripathi3605
      @kavishtripathi3605 5 лет назад

      What????

    • @jaykhot6039
      @jaykhot6039 4 года назад

      Hi plz reply

  • @punyaveemohan5790
    @punyaveemohan5790 2 года назад +2

    I studied microscope from more than 3 teachers and to tell you all, only Alakh sir has the capability to explain to the level ki sab clearly samajh aaye... Jab koi topic samajh na aaye physics mein, kahin jaane ki zarurat nahi... Just open RUclips and search Alakh Pandey with the topic name.... aisa kuch hai hi nahi jo aap samajh na payein when he teaches❤️❤️

  • @cplajaysahi6388
    @cplajaysahi6388 4 года назад +5

    Sir you are the best teacher 💪💪 since i have seen throught my life

  • @siddharthchampia5674
    @siddharthchampia5674 4 года назад +10

    Lots of love sirji. Sach me haathi jaise concept ko machar bana diya woh bhi bina microscope ke🤣🤣🤣
    Jokes apart really appreciate your talent of explaining complicated concepts in sucha manner.

    • @gururajarao4690
      @gururajarao4690 3 года назад +1

      Bhai microscope haathi ko whale bana deta hai macchar nahi🤣🤣🤣

    • @siddharthchampia5674
      @siddharthchampia5674 3 года назад +1

      @@gururajarao4690 😂😂😂mai isika intezaar ki koi meri glti point out kre lekin koi notice hi nhi kiya.

    • @siddharthchampia5674
      @siddharthchampia5674 3 года назад +1

      You're the first

  • @karanbohara000
    @karanbohara000 3 года назад +1

    Sir 1:20:38 u⁰ should be (- 2.5 cm)

  • @diptimahananda8761
    @diptimahananda8761 4 года назад +5

    Sir ,you are really working very hard for us .Thank u sir for this amazing, awesome ,beautiful vdo . Again thanks a lot sir........

  • @physicsheart543
    @physicsheart543 3 года назад +5

    Keep up bro, I am a teacher and a small RUclipsr myself and I really appreciate what you are doing. 👍

  • @Be__a___muslimah___786.
    @Be__a___muslimah___786. 11 месяцев назад +5

    How lucky we students are who have the educator like Alakh sir 🔥🔥🔥🔥

    • @Weirdproking
      @Weirdproking 11 месяцев назад +1

      Bro kab se exam hain😊

    • @Ryomen_xz
      @Ryomen_xz 10 месяцев назад +1

      how lucky whathh unit for that

  • @lockitgaming
    @lockitgaming 5 лет назад +4

    Almost 2 Million 💯💯thanks for sharing exact concepts with visualization of we kids subjects which majority of us used to fear from but not anymore because of Physicswallah! 😊

  • @koralmourya9547
    @koralmourya9547 4 года назад +5

    Sir you are the best teacher of Physics 💪 and chemistry in the whole world.
    Thank you so much sir 🙏

  • @mansi4714
    @mansi4714 2 года назад +4

    Dil se shukriya Sir...❤❤... Lecture is awesome as always... 😊😊

  • @swapnilupreti6110
    @swapnilupreti6110 5 лет назад +42

    Its my humble request to all the people who comment for praising sir that sir pichle 2yrs se youtube mein hain aur unki har video mein unki taareef ki jaati hai.... He knows he means a lot to us.... In comments ki wajah se sir un comments ko nahi padh paate jo actually bahut zaroori hain... So i request to all of u ki comments mein sirf doubts aur important information hi share kare🙆‍♀🙆‍♀🙆‍♀🙆‍♀🙏🙏🙏

  • @jigyasuchoudhary1243
    @jigyasuchoudhary1243 2 года назад +4

    Really it is a best video on optical instruments 😁😁😁😁😁

  • @diyaeldo2883
    @diyaeldo2883 2 года назад +2

    The way he explains is just "chef's kiss""✨✨

  • @SachinSingh-cl9nq
    @SachinSingh-cl9nq 5 лет назад +9

    1:00:44 sir D/ue hoga

  • @pankajjainfivestar690
    @pankajjainfivestar690 Год назад +9

    Kon Kon apni puri class 12th ki physics ALAKH SIR kai sath finish karega 👍👍 THANKS SIR 🙏🙏❤❤😊

  • @Sradha_panigrahi100
    @Sradha_panigrahi100 2 года назад +4

    ❤thank you sir for these amazing videos ...Its truly clears all doubts and give a feeling of relaxation after watching these videos ....once again thank you sir...❤❤❤🖖

  • @khushiheda9115
    @khushiheda9115 5 лет назад +4

    10k views in 15 minutes
    This shows what a great teacher u are👏👏👏👏

  • @sadhnasingh9260
    @sadhnasingh9260 7 месяцев назад +4

    Exactly after a week I'll be writing NEET 2024 which is going to be my 1st attempt. Really anxious at the moment. Came here to listen to sir and calm myself down since he has been an integral part of my NEET journey. Hope everything goes well and everyone who has worked hard for this exam gets the desired results✨️

  • @sgdevil8055
    @sgdevil8055 3 года назад +4

    It's too good.......
    Really appreciate you😃😃

  • @rameshkaushik4056
    @rameshkaushik4056 5 лет назад +16

    World Best teacher ever seen in my life

    • @ayushi1145
      @ayushi1145 4 года назад

      World worst teacher ever seen in my life

    • @pranav2471
      @pranav2471 4 года назад

      @@ayushi1145 q bhai

  • @revengergaming6651
    @revengergaming6651 Год назад +3

    The like here shows the respect towards our sir 😍😍
    ....

  • @paltm4513
    @paltm4513 2 месяца назад +2

    this topic confused me when i first learnt it in class. now its crystal clear

  • @jasmerchauhan2893
    @jasmerchauhan2893 5 лет назад +11

    Sir ji plzz start making video on wave optics

  • @harneetsingh9160
    @harneetsingh9160 4 года назад +4

    Sir really. The way u teach each and every concept is amazing..u really make us feel physics...god bless you sir...😊😊

  • @Kishor_123_18
    @Kishor_123_18 13 дней назад +2

    I think alakh sir is the one who teach physics clearly in the you tube 🎉❤

  • @vijaykashyap7819
    @vijaykashyap7819 5 лет назад +4

    Feeling happy becouse of your last question had done it without any numeric mistake and i had got correct answer this best video for numerical revision

  • @nandaniverma1473
    @nandaniverma1473 5 лет назад +4

    Sir I am always waiting for your video. 😊😊😊. In my whole life, you are the best teacher. Your teaching style is mind blowing. Ekdam heart touching h sir. FEEL aa jata h. ☺☺☺☺☺🤗🤗🤗😍😍😍😍

  • @mansishah2037
    @mansishah2037 3 года назад +2

    Mera Guru mera Raab ❤️
    Shurkia Guru g 🙏🌹❤️🙇😌🌸🧿

  • @divyangmishra1128
    @divyangmishra1128 Год назад +3

    Who imagined that he will the man owning a company worth billions….amazing sir❤❤

  • @sachin_02
    @sachin_02 5 лет назад +63

    Just one thing to say sir, just keep loving Physics! You're doing for this nation.....
    Mai toh keh rha hun sir election mein khade ho jao pakka jeet jaoge! Itna selfless work toh koi Neta bhi nhi karta😁

  • @darakhshayasmeen
    @darakhshayasmeen 3 года назад +7

    18:22 shweta zoom wali 🤣🤣🤣
    Ankit loves shweta❤️🤗🤣🤣🤣

  • @anmolsahu6622
    @anmolsahu6622 3 года назад +4

    Physics agr koi bagwan hai to o alakh sir hai .....
    How many of you agree 💯

  • @RahulJha-qu2fi
    @RahulJha-qu2fi 2 года назад +3

    Thank you sir for making this video it,s really help it

  • @gulshankumar6794
    @gulshankumar6794 2 года назад +1

    Optical instruments पूरे youtube se pdh liya... Khi samj nhi aaaya..... Kam se kam 6 ghnte gva diye.....
    Finally i remember my alakh pandey sir.....⚡

  • @adnanhasan8958
    @adnanhasan8958 4 года назад +5

    Another masterpiece by alakh sir

  • @Owls_island
    @Owls_island 4 года назад +3

    Congratulations sir for 4 millions .my all regards and best wishes to you.you are helping us...and you are really a blessing for millions of students

  • @aiman_khan234
    @aiman_khan234 3 года назад +2

    Sir big fan of you from Pakistan sir meray physics Kay sir bhi ap kay bhoat baray fan han