COLLISIONS in ONE SHOT || All Concepts , Formulae , PYQs || NEET Physics Crash Course

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  • Опубліковано 20 січ 2025

КОМЕНТАРІ • 3,4 тис.

  • @PhysicsWallah
    @PhysicsWallah  3 роки тому +4054

    Q5 ka option galat tick ho gya

    • @durgahunkeri1968
      @durgahunkeri1968 3 роки тому +147

      Sir upsc batches kab start karne wale ho...?

    • @Muntaha871
      @Muntaha871 3 роки тому +64

      Ok sirr..... Superintesting n boosting up conficence vali series hai yai.... Thanku sirr

    • @bharathsivareddy1588
      @bharathsivareddy1588 3 роки тому +39

      Congratulations for 5M
      Level up the series sir

    • @sohamchakraborty9808
      @sohamchakraborty9808 3 роки тому +10

      Hi

    • @tabakinam7053
      @tabakinam7053 3 роки тому +64

      1 like for physics wallah 50 lakhs family 💜💜💜💜💜💜

  • @target__iit
    @target__iit 5 місяців тому +135

    𝐓𝐈𝐌𝐄𝐒𝐓𝐀𝐌𝐏𝐒
    02:41 *Elastic & Inelastic Collisions*
    07:35 *Elastic Collision (Head-On) 1D*
    11:48 Formula (using relative velocity)
    14:37 *Direct Formula*
    30:04 *Special Cases of Head-On Elastic Collision*
    30:09 _Case I: m1=m2_
    32:15 _Case II: m2>>m1_
    34:53 _Case III: m1>>m2_
    44:45 _Heavy Question:_ Max compression in spring with two masses at either sides
    58:47 _Question:_ Both Light and Heavy Objects moving
    1:02:40 *Elastic Collision in 2D*
    1:25:07 *Perfectly Inelastic Collision*
    1:32:55 *Inelastic Collision in 2D*
    1:37:11 _Question:_ Ballistic Pendulum
    1:44:46 *Coefficient of Restitution (e)*
    01:49:28 How to solve questions involving e (Partially Elastic & Inelastic)
    1:55:57 *Rebounding of ball after collision with the ground*

  • @PhysicsWallah
    @PhysicsWallah  3 роки тому +303

    Q5 ka option galat tick ho gya
    To download lecture notes,practice sheet & practice sheet video solution visit Umeed Batch in Batch Section of PW App(bit.ly/3ru9Agh).
    Note: This batch is completely FREE ,you just have to click on "BUY Now" button for your enrollment.
    🔴 Details About The Batch.
    ✒️ We will cover complete class 11th & 12th Physics in 60 days.
    ✒️ Daily classes on our UA-cam Channel "PhysicsWallah-Alakh Pandey".
    ✒️ PDFs of Lecture Notes & Practice sheet after each lecture will be provided on PW App(bit.ly/3ru9Agh) & physicswallah.live.
    ✒️ Video solution of each practice sheet will be provided on PW App(bit.ly/3ru9Agh)
    --------------------------------------------------
    📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
    📍 Twitter : twitter.com/PhysicswallahAP?s=20
    📍 Instagram : instagram.com/physicswallah/
    📍 Facebook : facebook.com/physicswallah
    📍 Competition Wallah : ua-cam.com/channels/D16.html...
    📍 PhysicsWallah Foundation-9th & 10th : ua-cam.com/channels/phU.html...
    For any query/doubt mail us at : support@physicswallah.orgUMEED-NEET 2021
    To download lecture notes,practice sheet & practice sheet video solution visit Umeed Batch in Batch Section of PW App(bit.ly/3ru9Agh).
    Note: This batch is completely FREE ,you just have to click on "BUY Now" button for your enrollment.
    🔴 Details About The Batch.
    ✒️ We will cover complete class 11th & 12th Physics in 60 days.
    ✒️ Daily classes on our UA-cam Channel "PhysicsWallah-Alakh Pandey".
    ✒️ PDFs of Lecture Notes & Practice sheet after each lecture will be provided on PW App(bit.ly/3ru9Agh) & physicswallah.live.
    ✒️ Video solution of each practice sheet will be provided on PW App(bit.ly/3ru9Agh)
    --------------------------------------------------
    📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
    📍 Twitter : twitter.com/PhysicswallahAP?s=20
    📍 Instagram : instagram.com/physicswallah/
    📍 Facebook : facebook.com/physicswallah
    📍 Competition Wallah : ua-cam.com/channels/D16.html...
    📍 PhysicsWallah Foundation-9th & 10th : ua-cam.com/channels/phU.html...
    For any query/doubt mail us at : support@physicswallah.org

    • @rishabh_1410
      @rishabh_1410 3 роки тому +4

      Hello

    • @visibleinone5778
      @visibleinone5778 3 роки тому +2

      Love you sir

    • @Ken_77
      @Ken_77 3 роки тому +3

      Wish you teach us jee aspirants too

    • @RoadRiderUP52
      @RoadRiderUP52 3 роки тому +4

      CONGRATULATIONS Guruji For 5M Subscriber

    • @anuverma23498
      @anuverma23498 3 роки тому +3

      Congratulations for 5 Million Subscribers😀💖

  • @Ankit-ry9qd
    @Ankit-ry9qd 3 місяці тому +32

    Question 1) 18:44
    Question 2) 20:29
    Question 3) 24:50
    Question 4) 37:13
    Question 5) 37:54
    Question 6) 39:53
    Question 7) 44:55
    Question 8) 58:49
    Question 9) 1:08:04
    Question 10) 1:13:16
    Question 11) 1:20:30 ⭐⭐
    Question 12) 1:27:19
    Question 13) 1:28:12
    Question 14) 1:30:33
    Question 15) 1:32:54
    Question 16) 1:35:26
    Question 17) 1:37:13⭐⭐
    Question 18) 1:50:26
    Question 19) 1:53:38
    Question 20) 2:01:34
    Question 21) 2:02:15

    • @Bluemoon99997
      @Bluemoon99997 2 місяці тому

      *

    • @RakshithaYS-mw3oz
      @RakshithaYS-mw3oz Місяць тому +2

      Bro where should I get classnotes
      I didn't find them on pw app please any one know help me bro

    • @Sourav_707
      @Sourav_707 Місяць тому

      Yes ​@@RakshithaYS-mw3oz

    • @damonsalvator8333
      @damonsalvator8333 Місяць тому

      Haan yaar..notes aur practice sheet kaha se milenge

  • @sumitjasra105
    @sumitjasra105 3 роки тому +1270

    I am an MBBS 1ST Year student now but i still came here just to see alakh sir, proud that he is also from allahabad

    • @adityakhurana6018
      @adityakhurana6018 3 роки тому

      ua-cam.com/video/M9_M6xw6hu4/v-deo.html

    • @ankitmehta7167
      @ankitmehta7167 3 роки тому +22

      Bhai kitne no aaye the
      Kitne no pe ho jata h selection??

    • @sumitjasra105
      @sumitjasra105 3 роки тому +9

      @@ankitmehta7167 merit decide karega bhai woh, har saal ka alag hota h

    • @Allnewspassionateyoutuber
      @Allnewspassionateyoutuber 3 роки тому +10

      @@sumitjasra105 tere kitne no. Aye Bhai?

    • @gautamji08864
      @gautamji08864 3 роки тому +63

      Not allahabad it's Prayagraj now

  • @subhambhowmik1178
    @subhambhowmik1178 3 роки тому +2190

    I still miss "note kar liyaa ...mitaar dein" chalo..🥺

  • @somyabandil2229
    @somyabandil2229 2 роки тому +561

    I increased my score from 75 to 153 in phy just by watching his lectures..all thanks to him..

  • @MJAY100
    @MJAY100 3 роки тому +980

    *_PHYSICS WALLAH - The UNSTOPPABLE .❣️_*
    *_5 MILLION JOURNEY COMPLETED 🎊_* Journey to be continued ...✍️

    • @ajaysutradhar1434
      @ajaysutradhar1434 3 роки тому +6

      Ram ram

    • @capitalgamer7456
      @capitalgamer7456 3 роки тому +4

      If you see my community tab's post (photo) then I promise you that you can not stop your laughing🤣😅🤣...,..

    • @devfacts8727
      @devfacts8727 3 роки тому

      ua-cam.com/video/ymaaQtn2AVE/v-deo.html

    • @RahulKumar-nu8dk
      @RahulKumar-nu8dk 3 роки тому +1

      ua-cam.com/video/uMQma2MAs_c/v-deo.html

    • @sppandey9746
      @sppandey9746 3 роки тому

      ua-cam.com/video/rOz9wuA-auY/v-deo.html

  • @abhisheksaraswat9282
    @abhisheksaraswat9282 2 роки тому +35

    23:10 We can also calculate the value of V2 by previous formula i.e., V2-V1=U1-U2 in one step

  • @Muskan-qv4pc
    @Muskan-qv4pc 2 роки тому +135

    2:43 collision
    7:37 elastic collision
    18:45 question
    30:10 special case
    37:04 question
    1:02:42 elastic collision in 2-D
    1:08:05 question
    1:25:06 inelastic collision
    1:44:46 coefficient of restitution

  • @med_vishal
    @med_vishal 3 роки тому +383

    Relatives:- How many students in ur tution
    Me as a PW Student:-50 lakhs🎊🎉😊💝💖

    • @med_vishal
      @med_vishal 3 роки тому +2

      @Vhaibhav G all videos no. I commented here and community post only I think someone else

    • @med_vishal
      @med_vishal 3 роки тому +3

      @unknown Subscribers badhne do rukna nhi chahiye 😊

    • @biowithme4501
      @biowithme4501 3 роки тому

      ua-cam.com/video/bmpso_ZIFvY/v-deo.html

    • @arvindkumartripathi2245
      @arvindkumartripathi2245 3 роки тому

      ua-cam.com/video/bmpso_ZIFvY/v-deo.html

    • @adityakhurana6018
      @adityakhurana6018 3 роки тому +1

      ua-cam.com/video/M9_M6xw6hu4/v-deo.html

  • @satyamraj-ss1su
    @satyamraj-ss1su 3 роки тому +118

    Can we just once acknowledge ki he is giving the best crash course....and he is keeping the level of crash course very similar to year long course...love you sir

  • @Rijita_Sinha
    @Rijita_Sinha 3 роки тому +254

    Sir you know what, even my parents love to hear your "Hellooooo bacchoooooo!!!!!"
    Thanks a lot for this much of contribution 🙏 🙂❤️

    • @nishagirlmemer4506
      @nishagirlmemer4506 3 роки тому +5

      that's right. sometimes my father also watch his lectures and motivation videos 😊😘

    • @YASH-ip1ks
      @YASH-ip1ks 3 роки тому +3

      @@nishagirlmemer4506 then he teaches physics to his friends...

    • @mdkais6407
      @mdkais6407 3 роки тому

      ua-cam.com/video/NCtBnaoXW1Y/v-deo.html

    • @apoorvkumar1915
      @apoorvkumar1915 3 роки тому +2

      Same here sis
      My whole family is his fan❤️

    • @missriya806
      @missriya806 3 роки тому

      yes same here also...

  • @athulvl7154
    @athulvl7154 3 роки тому +75

    Best class on youtube platform. Sir, very thanks to you. You're a dedicated teacher indeed. I look forward in studying all your concepts. Pls upload all 30 chapters for full reference. God bless you sir for your selfless services.

  • @ayanmandal8636
    @ayanmandal8636 3 роки тому +182

    1:01:25-1:01:29----" m1 ko neglect kar denge jis tarah se ‘unhone’ tumko neglect kiya"...💔💔💔😂😂😂

    • @dreambig3773
      @dreambig3773 3 роки тому +5

      Hey small doubt in this series of alakh sir is every point is cleared I mean is this notes enough for neet

    • @dreambig3773
      @dreambig3773 3 роки тому +2

      Plz rply in English

    • @ayanmandal8636
      @ayanmandal8636 3 роки тому +3

      @@dreambig3773 More than enough if you have some basic concept...personal opinion😕

    • @dreambig3773
      @dreambig3773 3 роки тому +1

      @@ayanmandal8636 oh ok yar tq

    • @V1VEK26
      @V1VEK26 3 роки тому +1

      Meanwhile Tarun sir - Padhle bhai

  • @divyanshgupta5895
    @divyanshgupta5895 3 роки тому +112

    Sir, congratulations for 5 Million family on UA-cam

    • @Trickwrick
      @Trickwrick 3 роки тому

      special video on 5 Million subscribers 👇 ua-cam.com/video/yG3vIKA7oKw/v-deo.html

    • @mdkais6407
      @mdkais6407 3 роки тому

      ua-cam.com/video/NCtBnaoXW1Y/v-deo.html

    • @futuresdoctor2367
      @futuresdoctor2367 3 роки тому

      ua-cam.com/video/qo5Q2xMgOhk/v-deo.html

    • @arvindkumartripathi2245
      @arvindkumartripathi2245 3 роки тому

      ua-cam.com/video/bmpso_ZIFvY/v-deo.html

  • @pahuldeepsingh7260
    @pahuldeepsingh7260 3 роки тому +83

    I'm a former jee aspirant currently studying in a decent NIT(I never aimed for a top college TBH).........I had followed this channel from the point when it had 1 lakh subs and its just great to see alakh sir's channel completing 5 million subs......congratulations sir🥳

  • @tusharsingh4085
    @tusharsingh4085 2 роки тому +28

    39:24 In question 5 the ans will be 3rd part as it has asked for the velocities of B and A so velocity of B will be written first

    • @syedahamed3642
      @syedahamed3642 2 роки тому +9

      Ha bhai pinned comment me already sir ne yeh mention kar diya hai

  • @loqumanahmed1576
    @loqumanahmed1576 3 роки тому +395

    Sir give us a perfect schedule so that we can make our time tabel per day

  • @Jerryvlogsdaily
    @Jerryvlogsdaily 3 роки тому +63

    In question 4 .. Solve it 90% then realise Ma is eqaul to Mb.....😑😑😑

  • @kidsactivitiy9936
    @kidsactivitiy9936 3 роки тому +8

    50:26 sir reduced mass lekr bhi ans aa rha h!
    1:24:40 sir bs KE conversation se hi ek hi step m is type ke questions ho jaate h..theta wagera ki jarurat hi nhi 😅
    43:54 pr hm
    V= √2gl(1-costheta) se bhi directly ans nikal skte h..1:31:36 pr hm
    Loss in KE =( 1/2 m1m2 by m1 + m2) into v^2 bhi krke directly ans nikal skte h!!
    Btw thank you so much sir for this awesome revision 🙏😊

  • @abhay_prajapati6261
    @abhay_prajapati6261 3 роки тому +414

    Physicwallah is not just a name its a brand ❤️❤️thank u sir ✨🍁

  • @hiteshchandel6579
    @hiteshchandel6579 2 роки тому +6

    Mentoz method of quest no -8
    [2v wall --u]
    Last qus ans -d

  • @Jyotsna85
    @Jyotsna85 2 місяці тому

    Q1 19:58
    2 20:27
    3 24:53
    4 37:08
    5 39:10
    6 39:39
    7 44:50
    8 58:45
    9 1:08:08
    10 1:13:07
    11 1:20:23
    12 1:27:14
    13 1:28:07
    14 1:30:20
    15 1:32:43
    16 1:35:25
    17 1:37:10
    18 1:50:21
    19 1:53:31
    20 2:01:29
    21 2:02:09

  • @florydr2j
    @florydr2j 3 роки тому +37

    Ab ki baar 5 million paar❤️
    Congrats 🎉👏🔥

    • @AMEYKALE-o1h
      @AMEYKALE-o1h 3 роки тому

      Beard look bada dangerous hai tumhara

    • @florydr2j
      @florydr2j 3 роки тому

      @@AMEYKALE-o1h 😂😂

  • @muskansinha5621
    @muskansinha5621 3 роки тому +34

    39:33 Q-5 sir the ratio is B IS TO A so it will be c option

  • @nigohh
    @nigohh 3 роки тому +17

    39:15 Ans is option C not D
    Awesome lecture 🔥

    • @a-r-u2255
      @a-r-u2255 2 роки тому +1

      Already sir mentioned

  • @mehenasahmed1902
    @mehenasahmed1902 3 роки тому +150

    Concepts are becoming crystal clear sir....a lot of thnx from the core of my heart 🥰🥰🥰

  • @AbhishekKumar-vt2oh
    @AbhishekKumar-vt2oh 3 роки тому +50

    Sir, apka revision series kuch alag level hai, app revision series bahut Sara pyq question and all concept formula kra dete ho , bahut badhiya sir , EAST AND WEST PW IS THE BEST.

  • @manishasoni1302
    @manishasoni1302 11 місяців тому +4

    39:20 In this question the correct option should be 'c' because in question they have asked B and A respectively...

  • @anubhavsingh2965
    @anubhavsingh2965 3 роки тому +83

    Words are small in front of his Greatness.
    We can't define him from our words.
    Physics wallah sir such a good teacher. 😌😌😘

  • @jadhavsakshi4651
    @jadhavsakshi4651 3 роки тому +84

    Power of physics wallah ...withis 5 minutes 7 . 6 k view s...... Huge respect to alakh sir👍👍👍👍🙏🙏🙏

  • @aparnasharma6403
    @aparnasharma6403 3 роки тому +40

    Literally kisi bhi teacher se physics kyo na padh lo jiss tarah se alakh sir ki baatein dimaag m jaati h bina kisi rukaawat k bilkul staight forward aur kisi ki nhi.... He is the best forever ❣️❣️

  • @bijalsoni803
    @bijalsoni803 3 роки тому +29

    Sir aapki motivational awaj ka dil k saath collision hogya, lekin awaj rebound nhi hui,, bas andar hi sama gai 🔥🔥

  • @yenusatyan9858
    @yenusatyan9858 3 роки тому +7

    1:00:30 Q.8
    🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
    Easiest way to do this question 😀😀😀
    Since Wall 🚪 is heavy, so its velocity will not change after 💥 collision.
    🌍🌏🌎🌍🌏🌎
    Hence we can use....
    u1-u2 = v2-v1
    2-(-2)=-1- v1
    => v1 = -4m/s
    😎😎😎😎😎😎
    Likee🤞👍👍 if you like my way of solving problem.😁

  • @NishaGargCollection
    @NishaGargCollection 5 місяців тому +3

    37:36 option (b) is also correct...I think....
    Because velocities interchange when mass is same.....

  • @adityabandawar4573
    @adityabandawar4573 3 роки тому +144

    Chote se umeed abhi umang me takdill ho rahe he😍😍

  • @huzaifmanzoor603
    @huzaifmanzoor603 2 роки тому +3

    Sir , q8 special case apply karne se bhi solve hoga , if M2>>M1
    Then velocity of M1 will be double after collision (simple😊)
    1:00:00

    • @gamingwitharjun4869
      @gamingwitharjun4869 Рік тому

      Aree bhai lekin small mass ko rest mein hona padega jab bada masss takrayega then only woh double the velocity of bada mass se bhaag paayega

  • @robinpreetkaur1267
    @robinpreetkaur1267 3 роки тому +10

    Hello bachooo 😍 gives a lot of energy nd motivation .👌👌😍

  • @li-yq7rc
    @li-yq7rc 3 роки тому +2

    Something bad happened 😢 to Q) 21. [2:02:08]
    Who else missed the line [mehnat karte rahie all the very best]

    • @medside1527
      @medside1527 3 роки тому

      S bro.., think everyone missed.....,
      I think it was the last sum and it was easy too dude...., u yourself can do with the help of formula given by sir...,✌🏻💙

    • @li-yq7rc
      @li-yq7rc 3 роки тому +1

      @@medside1527 yeah 😀
      i think you are right...:)

  • @Biiiieeee
    @Biiiieeee Рік тому +64

    Maturity is when u realized slang "systumm" is actually discovered by alakh sir😌😌

    • @priyxnshu2007
      @priyxnshu2007 4 місяці тому

      It is actually a very popular slang in Up/Haryana

  • @mohammadkaif8453
    @mohammadkaif8453 3 роки тому +9

    1:15 me aapka dance gjb tha 😀😀😀😀😀 jhumri taliya

  • @omkarshelke1015
    @omkarshelke1015 3 роки тому +52

    Alakh pandey is the best teacher for jee/neet❤️🌍

    • @RahulKumar-nu8dk
      @RahulKumar-nu8dk 3 роки тому +1

      ua-cam.com/video/uMQma2MAs_c/v-deo.html

    • @thecoolistic440
      @thecoolistic440 3 роки тому +2

      Actually , not for JEE advanced level .
      He is good for mains level .
      I can't say for NEET tho

    • @mdkais6407
      @mdkais6407 3 роки тому +1

      ua-cam.com/video/NCtBnaoXW1Y/v-deo.html

    • @futuresdoctor2367
      @futuresdoctor2367 3 роки тому

      ua-cam.com/video/qo5Q2xMgOhk/v-deo.html

  • @kheladda0077
    @kheladda0077 4 місяці тому +2

    Question 6...method II
    We can use formula V1-V2=U1-U2
    -1-V2=2+1
    V1=3+1
    V1=4M/S

  • @eeshitaagarwal8059
    @eeshitaagarwal8059 3 роки тому +37

    Sir, honestly after watching the lecture the practice sheet seems a piece of cake !!!! (Except 1 or 2)

    • @TrueMan20-11
      @TrueMan20-11 3 роки тому +4

      Yes it is true
      But not piece of cake
      But like a ice gola

    • @eeshitaagarwal8059
      @eeshitaagarwal8059 3 роки тому +3

      @@TrueMan20-11 it's just a saying to mean that the questions seemed very easy..

    • @TrueMan20-11
      @TrueMan20-11 3 роки тому +2

      I also

    • @eeshitaagarwal8059
      @eeshitaagarwal8059 3 роки тому +1

      @@TrueMan20-11 😁😁

    • @karanrana8206
      @karanrana8206 3 роки тому +1

      @@TrueMan20-11 no, halwa ban gui

  • @Human11200
    @Human11200 3 роки тому +12

    Dislikes be like : padh leta hu lkin dislike toh jrur krunga.....
    RIP DISLIKERS 😂😂😂...

  • @jyotikondel1176
    @jyotikondel1176 3 роки тому +3

    Sir the correct option in question 5Q is option c
    As V1= -0.3,,,, V2 = 0.5

  • @yuvrajpreet5493
    @yuvrajpreet5493 2 роки тому +3

    Answer to last question (Q. 21) - option "d"

  • @mentortips9002
    @mentortips9002 3 роки тому +15

    I can't believe from 2018 I'm watching your lectures.And This channel reached so high. Lot's of Respect from Kashmir. I'm preparing for NEET 2021.
    Thanks for everything sir.

    • @adityakhurana6018
      @adityakhurana6018 3 роки тому

      ua-cam.com/video/nLr3UHTuiHk/v-deo.html

    • @MadaraUchiha18190
      @MadaraUchiha18190 3 роки тому +1

      Best of luck for tommorow bro :))

    • @MadaraUchiha18190
      @MadaraUchiha18190 3 роки тому

      One thing I wanted to ask is that..is it ok if I study the physics chapters from these one shots? I'm in class 11 rn.

  • @komaludhehan9563
    @komaludhehan9563 3 роки тому +24

    Leaving online classes to attend sir lecture.

  • @nishasingh-sv7zy
    @nishasingh-sv7zy 3 роки тому +2

    Sir Geeta ramayan sub me ek teacher ka place bhot ऊंचा bataya gya h, maa papa ke baad teacher hi hote hi hote h jo humari life ko sahi direction deker humare goal tak pahuchana me puri hissedari hoti h ,aap ek sucgche guru ki definition ho ,jo bina apne fayede ke baare me soche hum bachcho k liye itna sub kr rahe ho ,agar selection ho jata h to baki subka to nhi pta lekin me aapke ghar aakar ke pure dil se aapko shukriya kehna chahungi ,ma papa ke jese hi aapka bhi role h humari life me hum kabhi bhi ehsaan nhi chuka payenge ,we love you sir 🙏❤❤❤❤❤❤❤you are the role model of my life ,

  • @Ritikdhakad83
    @Ritikdhakad83 2 роки тому +4

    25:00
    Is ka answer is formale se ek step me answer ayega
    4m1m2/(m1+m2)²

  • @abx605Vishal
    @abx605Vishal 3 роки тому +3

    01:02:39 elastic collision in 2D

  • @ashutosh5780
    @ashutosh5780 3 роки тому +13

    At 39:07 option C will be the correct answer..❤️🙏

  • @NEET-lt6ll
    @NEET-lt6ll 3 роки тому +5

    39:10 sir opt C would be correct question me B ki velocity pehle puchi hai jo ki 0.5 hogi

    • @biowithme4501
      @biowithme4501 3 роки тому

      ua-cam.com/video/bmpso_ZIFvY/v-deo.html

    • @manishmishra5360
      @manishmishra5360 3 роки тому +1

      B nahi C hoga

    • @NEET-lt6ll
      @NEET-lt6ll 3 роки тому

      @@manishmishra5360 Han bhai. type galat kar diya 😅

  • @Goynabori_forever
    @Goynabori_forever 3 роки тому +18

    You are not only a physics teacher ,but also our emotion❤️

  • @tvmovies2701
    @tvmovies2701 19 днів тому

    0:7:22; 0:11:33; 0:14:22; 0:18:33; 0:24:44; 0:32:11; 0:37:00; 0:58:22 1:05:33 1:07:55 1:12:55 1:12:44 1:27:11 1:44:33 1:44:38 1:45:50 1:49:22 1:50:15 2:01:22

  • @crisp_reviews
    @crisp_reviews 3 роки тому +22

    THIS LECTURE WAS MIND-BOGGLING!! mujhe aaj tak itne achhe se yeh topic kabhi samajh nahi aaya tha..aaj aa gaya! thank you so much alakh sir!! 💓

  • @pushpak4972
    @pushpak4972 3 місяці тому +9

    39:26 sir pehle b pucha phir a toh option c hoga 😅😅 ❤❤❤

  • @Comedyvideoshorts-77
    @Comedyvideoshorts-77 9 місяців тому +3

    Q/7 ki mantoze zindagi
    v=rw
    v/w=r
    vm^1/2/k^1/2=r................(1)

    m*2m
    m = -------------
    3m
    m=2m/3....................(2)
    (2) ko (1) me rakhe,
    V (2m)^1/2
    -------------------- =r=x= maximum compression of spring during motion.
    k^1/2

  • @MakeMeScientific
    @MakeMeScientific Рік тому +5

    sir in Q3 if collision in elastic then there should be no loss in energy right?

    • @Marvel0926
      @Marvel0926 6 місяців тому

      Faltu ka doubt mat create kiya karo😢

    • @Class10notes-x2o
      @Class10notes-x2o 4 місяці тому

      Bro system ki energy rehti hai same
      Wo ek ball ka bola hai

  • @Mbbsmedicos
    @Mbbsmedicos 3 роки тому +17

    Sir aapka padana ka tarika bahut acha hai
    Padhte padhte pata hi nahi chala kab lecture complete ho gaya 👍🏻👍🏻👍🏻
    Thank you so much sir
    For providing us best quality education 👍🏻

  • @deepvoyager01
    @deepvoyager01 3 роки тому +1

    39:00 correction
    c) 0.5m/s and -0.3m/s

  • @rounakagrawal6222
    @rounakagrawal6222 3 роки тому +39

    Sir,que.no.5 was tricky,you misread it,the answer should be (c) because it has been asked about Vb and Va respectively ❤️
    Great lecture sir🔥❤️

    • @yashchopadey8169
      @yashchopadey8169 3 роки тому +5

      Yes, I was searching for this comment

    • @sohinisaha2609
      @sohinisaha2609 3 роки тому +3

      Correct

    • @hitlerbaba4008
      @hitlerbaba4008 3 роки тому

      Can someone please tell sir ne kya sirf formulae ratwayay ya pehle ki tarah feel dilaya

    • @sohinisaha2609
      @sohinisaha2609 3 роки тому +4

      @@hitlerbaba4008 ye feel pane ka samay nahi hai...we have our neet after a month...less time..hence, ye quick revision ka samay hai! If u wanna get that feeling then visit sir's old lectures of class 11 as sir said.🙂

    • @hitlerbaba4008
      @hitlerbaba4008 3 роки тому

      @@sohinisaha2609 that might work for you sister but mujjse formulae yaad nhi hotay mujhse koi trick ho yaad krne ki to batado.

  • @priyajain3078
    @priyajain3078 3 роки тому +9

    Sir Kuch bhi ho puri syllabus apko hi khatm karna hoga. Teacher change mat karo yar plssss 🙏. Bhot sahi jaa rha hai and you're the only umeed I have in my life now. Please change mat karna. Please sir

  • @Multiversaleditz-07
    @Multiversaleditz-07 28 днів тому +1

    1:33:06 is the formulae of change in kinetic energy right????

  • @Arnab-s6t
    @Arnab-s6t 10 місяців тому +7

    Q-21
    Ans-d)e⁴h

  • @rajaparmar3895
    @rajaparmar3895 3 роки тому +11

    5 million hearts for alakh sir...❤️❤️❤️❤️❤️

  • @faisalwani17
    @faisalwani17 4 місяці тому +3

    Rebounding of Ball after collision with ground ke question aate hai kya NEET MAI?

    • @AakibHussain-t8w
      @AakibHussain-t8w 4 місяці тому +2

      Aapko tough laga pad le bahii padne meh kya jata hai. Keep gaining knowledge

    • @justvibing4003
      @justvibing4003 4 місяці тому +1

      Chapter complete hai kya bhai? Last mein achank khatm hogya shayad

  • @harshalgangwe4341
    @harshalgangwe4341 3 роки тому +13

    1:25:26 I watched it many times 😂😂in 2x speed

  • @PersonalaccountVanshika
    @PersonalaccountVanshika 2 роки тому +34

    The best part is he doesn't waste a single second here and there. He is so fantastic, I can sit and study from him for whole day🤩🤩❤️

  • @sanazubairy4452
    @sanazubairy4452 3 роки тому +2

    In question three... Loss in kinetic energy is to be found.... But we know that in elastic collision... Energy is not lost.....someone please clear my doubt

    • @chaitu1276
      @chaitu1276 3 роки тому

      In elastic collision energy don't loose in system,right. but in the question,asked energy lost by individual mass

    • @sanazubairy4452
      @sanazubairy4452 3 роки тому

      @@chaitu1276 OK I got it..... Thanks

  • @MrSakibEditography
    @MrSakibEditography 3 роки тому +6

    Congratulations for 5M Subscribers.😱🔥🔥🔥🔥🔥

    • @palashdas601
      @palashdas601 3 роки тому

      ua-cam.com/video/7qTL9AYEIG4/v-deo.html.

  • @tahu6175
    @tahu6175 3 роки тому +4

    All those who skip the ques for which Alakh sir says "abhi tak aisa sawaal pucha nhi gaya"....

  • @diptanusarkar21x-c99
    @diptanusarkar21x-c99 9 місяців тому +2

    There are lots of good qualified teachers in PW..
    But Alakh Pandey sir was is and will remain the teacher who explains even the hardest topics easily

  • @dphnl2283
    @dphnl2283 3 роки тому +13

    Sir question 5 mein c option aana chaiye
    Kyoki waha par phele B fir A ki velocity poochi hai

  • @vikramkholiya457
    @vikramkholiya457 3 роки тому +7

    We reach 5M subscribers mark . congrats to all 🎉🎉

    • @biowithme4501
      @biowithme4501 3 роки тому

      ua-cam.com/video/bmpso_ZIFvY/v-deo.html

    • @biowithme4501
      @biowithme4501 3 роки тому

      ua-cam.com/video/bmpso_ZIFvY/v-deo.html

  • @dreamgirl8595
    @dreamgirl8595 2 місяці тому +1

    Sir in question 8th 1:02:30, ham wall ko rest pe nhi la sakte by relative velocity zero karke then m2 ki velocity ulta karke m1 me add then m1 velocity=3m/s vo same velocity se rebound ho jayegi?❓❓❓❓❓❔❔❔❔❔⁉⁉⁉⁉⁉⁉

  • @krishpandey6785
    @krishpandey6785 Рік тому +36

    who is here watching it for AITS and NEET 2023 ??

  • @lifeofsamriti
    @lifeofsamriti 4 місяці тому +5

    how can someone teach physics very nicely so good alakh sir thank you dam helpful video

  • @jyotirdibyarout4027
    @jyotirdibyarout4027 3 роки тому +2

    According to minimum velocity required to complete vertical circular motion v=√3gh

    • @prt4691
      @prt4691 3 роки тому

      44:10 par dekho waha minimum velocity nhi use kar sakte kyuki vertical circle complete karna hai aisa kuch nhi kaha hai
      Waha simply work energy theorem use kar rahe honge hum
      ✓3gR jab derive karte hai toh bottom par ✓5gR lete hai waha se nikalte hai

    • @jyotirdibyarout4027
      @jyotirdibyarout4027 3 роки тому +1

      Thank you sir

  • @pianovua8606
    @pianovua8606 3 роки тому +12

    Pw Family 5+ Million 🔥❤️

    • @mdkais6407
      @mdkais6407 3 роки тому

      ua-cam.com/video/NCtBnaoXW1Y/v-deo.html

    • @futuresdoctor2367
      @futuresdoctor2367 3 роки тому

      ua-cam.com/video/qo5Q2xMgOhk/v-deo.html

  • @mohammedowais4812
    @mohammedowais4812 3 роки тому +6

    Who is watching after neet 2021😊🧡😁😁😁
    Thanks for 3 likes😎😶

  • @_alisha077
    @_alisha077 2 роки тому +2

    Ans for the last question is e^4h ❤❤😊😊

  • @motivationalshorts9254
    @motivationalshorts9254 3 роки тому +9

    Alakh sir legendary man who touches million of Indian students hearts ❤️

  • @harshavardhan4919
    @harshavardhan4919 3 роки тому +5

    Sir,
    At 39:09 , In that ques, they asked Velocities of B and A so the option will be "C"

  • @SBNandi
    @SBNandi Рік тому +1

    In question number 15,we can also use Kinetic energy conservation rule.

  • @deadshotgamingyt7388
    @deadshotgamingyt7388 3 роки тому +13

    Congratulations Alakh sir and team for completing 5M subscribers!
    You all have been unstoppable. Thank you sir for being an inspiration for us

  • @silubhatt299
    @silubhatt299 3 роки тому +82

    "Buy now" dekhe heart attack nahi aana chahiye 😂😂😂😂😂😅

    • @suvamsahoo6134
      @suvamsahoo6134 3 роки тому +4

      😂😂😂 it's my reaction when I 1st open umeed batch 😂

    • @silubhatt299
      @silubhatt299 3 роки тому +1

      @@suvamsahoo6134 are you in 11th ?

    • @suvamsahoo6134
      @suvamsahoo6134 3 роки тому +1

      @@silubhatt299 no 12th just revising my lessons

    • @silubhatt299
      @silubhatt299 3 роки тому

      @@suvamsahoo6134 preparing for JEE ?

    • @suvamsahoo6134
      @suvamsahoo6134 3 роки тому

      @@silubhatt299 yes ......u ??

  • @payalsahani4666
    @payalsahani4666 3 роки тому +2

    Sir in case of inelastic collision.. Momentum remains const bt kinetic energy not.. How.. I mean velocity to dono me common h😐

  • @diptanusaha1076
    @diptanusaha1076 Рік тому +27

    2024 attendance here

    • @Janvi..21
      @Janvi..21 Рік тому

      Alakh sir ke alava khi smjh nhi ata

  • @prathmeshsingh9699
    @prathmeshsingh9699 3 роки тому +11

    This is known as consistency of teacher but what about Students who always plays blame game

  • @limaakum4489
    @limaakum4489 2 роки тому

    39:27 The answer To This should be c ,since The velocity asked in The Q is B is to A right ??

  • @yandaman19
    @yandaman19 Рік тому +3

    39:21 shouldn't it be C as it ask b and a ?

  • @factxdarsh
    @factxdarsh Рік тому +6

    Concept totally cleared sir ... thank u very much😊

  • @beaster869
    @beaster869 Рік тому +2

    39:06- option ‘c’ is correct not ‘d'

  • @Pushpaaaaaa
    @Pushpaaaaaa 3 роки тому +20

    7:07 sir distract to aap huye hm to prh hi rhe h😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂

    • @mdkais6407
      @mdkais6407 3 роки тому +1

      ua-cam.com/video/NCtBnaoXW1Y/v-deo.html

    • @shinchan4656
      @shinchan4656 3 роки тому +1

      😂😂😂😂

  • @riyamishra914
    @riyamishra914 3 роки тому +5

    Alakh sir is love.❤️

  • @fardinkhan..4960
    @fardinkhan..4960 2 роки тому +1

    ∆k/ki = (4m1m2)/ (m1+m2)²....... Mentoz method for fraction of kinetic energy loss in collision... Time saving... Should apply... Thank you..

  • @shaileshpratapsingh8915
    @shaileshpratapsingh8915 3 роки тому +4

    Duniya ke pahle teacher jinhone apne videos me bina subscribe karne ka kahe bina aaj 50 lakhs students ko apne jod liya hai❤❤
    Salute to alakh sir and lot of love from Unnao, UP