There are two mistakes , I want to apologise for both. 1) 6:51:00 I wrongly quoted that angle between r vector and v vector is 90 degree everywhere. It's only at aphelion and periphelion. To knpw in detail watch my detailed video on kepler law ruclips.net/video/nlxExEAqmaM/видео.html at 40: 50 2) Further I told the formula of latus rectum wrong. It must be 2bsquare/a
Sir my boards were cancelled, and I started preparing neet, But i think I need more time, But I wanna give exam before joining any 2022 batch, But you started yakeen 2022 early, So I want to ask will futher neet batches launched after neet exam
Sir u did a very big mistake and only few students have seen this pinned msg. I m worried about those students who haven't seen this msg and noted those wrong formulae in thein notebook.🙄😱
2:29 newton law of gravitation 8:45 question 25:25 principal of superposition 26:34 question 36:04 force on symmetrical mass distribution 37:08 force on mass in hollow sphere 44:03 gravitational field 47:00 gravitational field due to point mass 48:00 principal of superposition 49:23 questions 1:14:40 gravitational field due to continuous mass distribution 1:16:28 question 1:30:16 question 1:36:01 note 1:44:33 GF due to UCR at point on axis 1:49:39 graph of E v/s R 1:53:14 break 1 2:04:04 GF due to Uniform spherical shell 2:10:33 GF due to solid sphere 2:19:12 question 2:20:12 Acceleration due to gravity near earth surface 2:24:51 Acceleration due to gravity near earth surface in terms of density 2:28:02 question 2:47:08 variation in Acceleration due to gravity 2:55:15 question 3:00:28 at depth h below earth surface 3:05:46 question 3:11:43 variation of g with distance r from earth's center 3:16:15 question 3:16:54 variation in g due to shape of earth 3:19:33 variation in g due to axial rotation of earth 3:25:22 note 3:27:34 question 3:33:23 gravitational potential 3:35:53 question 3:37:21 potential at a point 3:39:16 gravitational potential due to a point mass 3:40:05 GP due to system of point mass 3:40:29 question 3:46:51 GP on the axis of uniform circular ring 3:48:05 GP due to hollow sphere 3:52:52 break 2 4:04:04 question 4:13:03 GP due to solid sphere 4:15:39 relation between V at center and V at surface 4:19:36 question 4:20:34 relation between gravitation field and gravitational potential 4:22:22 question 4:29:59 gravitational potential energy 4:31:42 GP energy of two particle system 4:32:59 GP energy for system of particle 4:33:49 question 4:40:58 GP energy of an object due to earth 4:47:17 question 5:04:55 Escape velocity 5:13:14 escape velocity from some height 5:17:17 question 5:23:06 important points 5:28:43 question 5:32:57 break 3 5:44:31 orbital velocity of satellite 5:46:10 question 5:47:35 if satellite is revolving close to earth 5:49:19 question 5:49:59 time period of revolution of satellite 5:56:17 geostationary satellite 5:59:03 question 6:07:11 energy of satellite 6:23:03 ellipse 6:30:15 CORECTION ** FORMULA OF LATUS RECTUM 2b^2/a 6:31:37 kepler 1st law 6:39:50 kepler 2nd law 6:46:20 question 6:48:08 aerial velocity in terms of angular momentum 6:57:52 velocity of planet at perigee and apogee 7:00:48 question 7:07:29 kepler 3rd law 7:09:38 question
TIMESTAMP ⌚ 0:00 Introduction 2:15 Newton's Law of Gravitation 25:17 Principle of Superposition of Gravitational Forces 36:22 Force on a Mass at Centre of Symmetrical Mass Distribution 43:18 Gravitational Field 46:52 Gravitational Field Due to a Point Mass 48:05 Principle of Superposition 1:14:31 Gravitational Field Due to Continuous Mass Distribution 1:30:17 Force on a Mass in Gravitational Field 1:44:31 Gravitational Field Due to a Uniform Circular Ring at a Point on the Axis 1:53:52 Gravitational Field Due to a Uniform Spherical Shell 2:10:32 Gravitational Field Due to a Solid Sphere 2:20:18 Acceleration Due to Gravity of Earth Near Earth Surface 2:47:08 Variantion in Acceleration Due to Gravity 3:33:20 Gravitational Potential 3:46:56 Gravitational Potential on the Axis of a Uniform Circular Ring 3:48:06 Gravitational Potential Due to a Hollow Sphere 4:13:02 Gravitational Potential Due to a Solid Sphere 4:29:58 Gravitational Potential Energy 5:04:50 Escape Velocity 5:32:53 Orbital Velocity 5:49:58 Time Period of Revolution of Satellite 5:56:18 Geostationary Satellite 6:07:10 Energy of Satellite 3:19:59 Weightlessness in a Satellite 6:23:05 Ellipse 6:31:36 Kepler's Laws 6:48:06 Angular Momentum of a Planet About Sun 6:55:38 Area Velocity in Terms of Angular Momentum 6:57:52 Velocity of a Planet at Perigee and Apogee
@Ananya Sharma yes you can but please practice more and more questions as much you can and this is the best time to revise 11th bcoz you don't have that much burden of 12th so utilise this time🙂 All the best 👍🏻
Ysss I m that girl Btt i feel pleased to see recorded lectures rather than live😊 So i don't hve problem in watching even such a big lecture😎 Now,I got habitual to it😜
@@tinaa11111 Yss I had made notes of each & every previous lecture of umeed batch by myself Although,it's not 1st time i m doing this I had filled up many registers As it's makes me satisfy that i hve understood the concept...
why these concepts can't understand when it were taught in coaching centers (taking lakhs of money)........but we can understand everything which were taught by "Alakh sir" (everything is free).....because "Alakh sir" teaches from heart and make feel in that concept....... THANK YOU VERY MUCH.....keep continuing sir.....
@Anant Singh ya, you are true...."but alakh sir giving quality education for free".....but I am not blaming coaching instutions....but they are taking lakhs of money for education, these is not correct na bro..
0:00 Introduction 2:15 Newton's Law of Gravitation 25:17 Principle of Superposition of Gravitational Forces 36:22 Force on a Mass at Centre of Symmetrical Mass Distribution 43:18 Gravitational Field 46:52 Gravitational Field Due to a Point Mass 48:05 Principle of Superposition 1:14:31 Gravitational Field Due to Continuous Mass Distribution 1:30:17 Force on a Mass in Gravitational Field 1:44:31 Gravitational Field Due to a Uniform Circular Ring at a Point on the Axis 1:53:52 Gravitational Field Due to a Uniform Spherical Shell 2:10:32 Gravitational Field Due to a Solid Sphere 2:20:18 Acceleration Due to Gravity of Earth Near Earth Surface 2:47:08 Variantion in Acceleration Due to Gravity 3:33:20 Gravitational Potential 3:46:56 Gravitational Potential on the Axis of a Uniform Circular Ring 3:48:06 Gravitational Potential Due to a Hollow Sphere 4:13:02 Gravitational Potential Due to a Solid Sphere 4:29:58 Gravitational Potential Energy 5:04:50 Escape Velocity 5:32:53 Orbital Velocity 5:49:58 Time Period of Revolution of Satellite 5:56:18 Geostationary Satellite 6:07:10 Energy of Satellite 3:19:59 Weightlessness in a Satellite 6:23:05 Ellipse 6:31:36 Kepler's Laws 6:48:06 Angular Momentum of a Planet About Sun 6:55:38 Area Velocity in Terms of Angular Momentum 6:57:52 Velocity of a Planet at Perigee and Apogee
@@gameprompt8073 no. Never follow these one shots if you’re learning stuff for the first time, these are for the ones who’ve already done the chapter once.
Hey, I am in 12th but I don't even know the basics of this chapter. So will this video be helpful for me or should i watch the detailed videos? Plz someone reply
@@sufiya2471 it's ok to watch these videos if you can solve these questions at least it will help you in future. This chapter is around 70% same as electrostatics
Homework question at 1:30:08 Answer is E=2G[ln(a+l) - lna] ln = log with base equal to e. Put dm/dx=m/l= 2x and then integrate dE = Gdm/x2 ( where dm = 2xdx)
Sir this is my kind request : Please first complete the chapters which have maximum weightage like electrostatics , current electricity , semiconductors , modern physics , we have to finish them first 🙏 Guys please like maximum so that sir can read this comment , please 🙏
Yes, there are chances of postponement because admission process takes over a month! And forms are not released yet. But prepare as if NEET is on August 1 only.
Guys, I don't think that Postponement hoga bcoz some insiders are saying ki NTA is waiting for a decision by Supreme Court stating that Every State will have to cancel their respective Board Exams and after that they will be conducting the exams in August itself.. Take this news with a pinch of salt though. And don't expect postponement.
@Mechanical minds,,agree with you..hope sir will read this comment..nd please guys don't think about postponement..agar postpone hoga to achha hai na ki revision k liye tym milega..sir ko July tk any how syllabus kra dena chahiye.. let's see 👍
In my coaching, Normal Gravitation lecture was of 6 hours and here crash course is of 7 hours....which itself clears that the content is not less than any normal coaching......👌👍👍👍👍👍
Can we have a moment to appreciate his and his whole team's efforts . 👏👏👏👏 It's not even easy to keep standing for 7 hours straight and sir is teaching hats off to you . 🙏
Continuous 7:17 hours lecture with just 30 min break....hats off to all the students who had the patience to sit this long...and obviously to sir as he is just too good
A huge huge huge thanks to alakh sir , around 70 questions in this series and in practice sheet will be many questions within 7hrs , can't even imagine 🔥🔥🔥🔥
@@akshaya.m796 Do it in the same way as sir did that question After sir's 2nd step, just put 2xdx in place of dm and then proceed After doing integration your answer will be ready👍
6:45:25 Sir says don't come here for feel. Somehow I still got it tho. How does NCERT fail to explain this and sir succeeds even tho its the same thing? This is forevermore an enigma.
I really appreciate physicswallah not only Alakh sir but whole physicswallah family. For me whole physicswallah team is an emotion. Their hardwork dedication determination is really exceptional. You know i am just confuse physicswallah team is taking 9 hours live stream in umeed batch and Manzil batch and also teaching relevant concept. I am aspirant of Yakeen batch 2021 and i also bought batch for my brother who is in 12th class. Physicswallah is making revolution. No one can deny this fact. And i am waiting to crack this year neet and become member of physicswallah alumini.Huge respect for whole Physicswallah team. Love you All
5:54:15 *The question is wrong* For A it's distance from surface = r For B it's distance from centre = 2r So for both total distance from centre = 2R Hence ratio is 1:1
if distances are different ie from surface = r and centre=2r ,,, and we need to take distance from centre of earth ,, so distence of A should be = R+r na??? is question ko solve kaise kare?
Centre waala distance laga do Aur is ques me R(earth) = r hi hain Agar R aur r alag loge toh phir variables mein aayega T(a)/T(b) ka sqaure = R+r/2r ka whole cube
I am Allen student. And my teacher taught me exactly the same way. He even used Alakh sir's mentoz zindagi phrase for himself and every student loved him. When I came here I realised he was copying the legend. What a shame!!! Nobody can get better at it than Alakh sir. He is G.O.A.T! Thank you so much sir for this series🙏❤
Bro, copying the good things isn't bad.. atleast he tried to make the things easier.what I wish is even my teachers also watch alakh sir class and teach me offline like this. 🙌
@@prajwal.mahadev__official Maybe you are right about the copying part. I was actually taken aback when I realised it wasnt his own method. He was good, to be honest. But lemme tell you, no teacher is going to be like alakh sir!!! Never.
Firstly I found that he's wasting my time when I saw his video. But when a topper recommended me his lectures of electrostatic, I was amazed. But now, I m his big fan after seeing his efforts and contents on RUclips and unfortunate about not having chance to join any of his batches of pwian.
❤️In-depth lecture on RUclips =11 hrs And Crash course=7hrs........❤️ans: All 11 lectures have their seperate intro and outro and some breaks, ❤️If that all are not considered then 11hrs lecture also could be completed in 7 hrs. ❤️There is no difference in Lectures and Crash course, Crash Course is only Merging of Lectures that have ONLY 1 intro and ONLY 1 Outro.........❤️ NICE,PW
@@netsathish3941 bro lagta hai aap new new 11th-12th mai aaye ho , agar nahi ho to abhi tak to pata chal hi jata ki yaha institute se bhi jyada aache se padhai hota hai , well in short yes this is sufficient but you hav to solve practice paper also !
Best part of the video is sir ekdam simple language me samjhate h baki teacher's apni bol ne ki language se hi students ko confuse kr dete h voh starting ka part dekhte hi ghabhra jate h fir skip the chapter 😅 no doubt alakh sir is the legend of physics nd also of educational field
This is best lecturer of gravitation because in one shot sir cover all about whole things that a IIT or neet student required. Hats off sir 🙏 Love from Agra
5:54:10 Sir yaha pe satellite A ka distance Earth ke surface se aur satellite B ka distance Earth ke centre se diya gaya hai T² proportional to r³ yaha bhi valid hoga?
when difficult question comes and we are just waiting for the mentoz method/zindegi, and then sir says ....ab beta iska mentoz method dekhenge ..........my heart 💓 says...=dil garden garden ho gya 🥰😂😂😂🔥💟💟💟😍❤️
Sir i am a post graduate from physics and currently I am preparing for higher exams nd for that i am preparing from ur videos. I love the way u teach us.. Blessed to have a teacher like you. Kash hmlog ko bi aisi suvidha cls 11-12 m mili hoti to aj kch r hi macha diye hote.. Thank u sir.
0:00 INTRODUCTION 2:15 NEWTON'S LAW OF GRAVITATION 25:17 PRINCIPLE OF SUPERPOSITION OF GRAVITATIONAL FORCE 36:22 FORCE ON A MASS AT CENTRE OF SYSTEM MASS 43:18 GRAVITATIONAL FOELD
@@shifarao165 nope sirf lec achhe se karo and dpp solved kro ye more than enough hai .. Agar fir bhi aapko statifaction na mile to pyq solve karo ❤ ... R u a fresher or dopper???
@@DeepSingh-vm1gn yepp ha kuch kuch mai doubt rehta hai if u can't solve then class ke notes revise karo fir bhi doubt solve nhi hua to app pr dpp ka solution bhi milta hai wo dekh lena☺❤
![Blox Fruits Dragon Rework Update [Full Stream]](http://i.ytimg.com/vi/EqDAp8udhm0/mqdefault.jpg)
There are two mistakes , I want to apologise for both.
1) 6:51:00 I wrongly quoted that angle between r vector and v vector is 90 degree everywhere. It's only at aphelion and periphelion. To knpw in detail watch my detailed video on kepler law ruclips.net/video/nlxExEAqmaM/видео.html at 40: 50
2) Further I told the formula of latus rectum wrong. It must be 2bsquare/a
sir jo bacche dyan de rahe the unko samajh me aya tha ... kyu ki aap mere role model ho :-)
Sir my boards were cancelled, and I started preparing neet,
But i think I need more time,
But I wanna give exam before joining any 2022 batch,
But you started yakeen 2022 early,
So I want to ask will futher neet batches launched after neet exam
👍
Sir u did a very big mistake and only few students have seen this pinned msg. I m worried about those students who haven't seen this msg and noted those wrong formulae in thein notebook.🙄😱
Thankyou so much sir👍🙏
2:29 newton law of gravitation
8:45 question
25:25 principal of superposition
26:34 question
36:04 force on symmetrical mass distribution
37:08 force on mass in hollow sphere
44:03 gravitational field
47:00 gravitational field due to point mass
48:00 principal of superposition
49:23 questions
1:14:40 gravitational field due to continuous mass distribution
1:16:28 question
1:30:16 question
1:36:01 note
1:44:33 GF due to UCR at point on axis
1:49:39 graph of E v/s R
1:53:14 break 1
2:04:04 GF due to Uniform spherical shell
2:10:33 GF due to solid sphere
2:19:12 question
2:20:12 Acceleration due to gravity near earth surface
2:24:51 Acceleration due to gravity near earth surface in terms of density
2:28:02 question
2:47:08 variation in Acceleration due to gravity
2:55:15 question
3:00:28 at depth h below earth surface
3:05:46 question
3:11:43 variation of g with distance r from earth's center
3:16:15 question
3:16:54 variation in g due to shape of earth
3:19:33 variation in g due to axial rotation of earth
3:25:22 note
3:27:34 question
3:33:23 gravitational potential
3:35:53 question
3:37:21 potential at a point
3:39:16 gravitational potential due to a point mass
3:40:05 GP due to system of point mass
3:40:29 question
3:46:51 GP on the axis of uniform circular ring
3:48:05 GP due to hollow sphere
3:52:52 break 2
4:04:04 question
4:13:03 GP due to solid sphere
4:15:39 relation between V at center and V at surface
4:19:36 question
4:20:34 relation between gravitation field and gravitational potential
4:22:22 question
4:29:59 gravitational potential energy
4:31:42 GP energy of two particle system
4:32:59 GP energy for system of particle
4:33:49 question
4:40:58 GP energy of an object due to earth
4:47:17 question
5:04:55 Escape velocity
5:13:14 escape velocity from some height
5:17:17 question
5:23:06 important points
5:28:43 question
5:32:57 break 3
5:44:31 orbital velocity of satellite
5:46:10 question
5:47:35 if satellite is revolving close to earth
5:49:19 question
5:49:59 time period of revolution of satellite
5:56:17 geostationary satellite
5:59:03 question
6:07:11 energy of satellite
6:23:03 ellipse
6:30:15 CORECTION ** FORMULA OF LATUS RECTUM 2b^2/a
6:31:37 kepler 1st law
6:39:50 kepler 2nd law
6:46:20 question
6:48:08 aerial velocity in terms of angular momentum
6:57:52 velocity of planet at perigee and apogee
7:00:48 question
7:07:29 kepler 3rd law
7:09:38 question
Thank you
Thnx
Thx a million ❤️
Your patience is infinite.
Wooh thank you, Muskaan.
TIMESTAMP ⌚
0:00 Introduction
2:15 Newton's Law of Gravitation
25:17 Principle of Superposition of Gravitational Forces
36:22 Force on a Mass at Centre of Symmetrical Mass Distribution
43:18 Gravitational Field
46:52 Gravitational Field Due to a Point Mass
48:05 Principle of Superposition
1:14:31 Gravitational Field Due to Continuous Mass Distribution
1:30:17 Force on a Mass in Gravitational Field
1:44:31 Gravitational Field Due to a Uniform Circular Ring at a Point on the Axis
1:53:52 Gravitational Field Due to a Uniform Spherical Shell
2:10:32 Gravitational Field Due to a Solid Sphere
2:20:18 Acceleration Due to Gravity of Earth Near Earth Surface
2:47:08 Variantion in Acceleration Due to Gravity
3:33:20 Gravitational Potential
3:46:56 Gravitational Potential on the Axis of a Uniform Circular Ring
3:48:06 Gravitational Potential Due to a Hollow Sphere
4:13:02 Gravitational Potential Due to a Solid Sphere
4:29:58 Gravitational Potential Energy
5:04:50 Escape Velocity
5:32:53 Orbital Velocity
5:49:58 Time Period of Revolution of Satellite
5:56:18 Geostationary Satellite
6:07:10 Energy of Satellite
3:19:59 Weightlessness in a Satellite
6:23:05 Ellipse
6:31:36 Kepler's Laws
6:48:06 Angular Momentum of a Planet About Sun
6:55:38 Area Velocity in Terms of Angular Momentum
6:57:52 Velocity of a Planet at Perigee and Apogee
Thanks bro
Thanks dude
Kitna time laga isko likhne me😂😂😂😂
Thank you so much 🥰🥰
@@anshu9930 hi BTS lover
same pinch 😂
Others: Detailed lecture
Reality: Crash course
PW: Crash course 😎
Reality: Detailed lecture 🔥🔥
Trueee
Yess
@Ananya Sharma yes you can but please practice more and more questions as much you can and this is the best time to revise 11th bcoz you don't have that much burden of 12th so utilise this time🙂
All the best 👍🏻
@Ananya Sharma no
Its neet
Not jee advanced/mains
@Ananya Sharma ruclips.net/p/PLYVDsiuOZP5p36rWJbRL8xJrncratOW3r
The Real Record will be created when the NEET 2021 results will be announced, maximum number of selections from PW this year🔥🔥💯💯
ruclips.net/p/PLUK6ULQgFO5N2frRqmEkEZmJEFsfU1sou
Lamo noonb allen carrier institution
@@sahilarya8399 aagaya compare karne
Abey pagal agar positivity spread nhi Kar sakta toh hate kyun spread Kar Raha hai bey
@@sahilarya8399 Allen me itne bachhe bhi hai😂
@@godson200 Let's see😎 But PWians will Rock Surely 🔥🔥
Good luck to everyone who will now watch it on recorded
ruclips.net/user/shortsrBFX2hGKLD0?feature=share
Ysss
I m that girl
Btt i feel pleased to see recorded lectures rather than live😊
So i don't hve problem in watching even such a big lecture😎
Now,I got habitual to it😜
@@namotivation4427 are you making notes also😶😶
@@tinaa11111 Yss
I had made notes of each & every previous lecture of umeed batch by myself
Although,it's not 1st time i m doing this
I had filled up many registers
As it's makes me satisfy that i hve understood the concept...
@@namotivation4427 how much time it's taking to watch lectures and make notes😶😶😶
why these concepts can't understand when it were taught in coaching centers (taking lakhs of money)........but we can understand everything which were taught by "Alakh sir" (everything is free).....because "Alakh sir" teaches from heart and make feel in that concept.......
THANK YOU VERY MUCH.....keep continuing sir.....
True😍🙇🏻♀️
Bas ham sir ki mehnat ko barbad nhi jane denge aur selection leke pw ko aage leke jayenge❤️❤️
@@nitya7990 ya, we should, we will....
@Anant Singh true
@Anant Singh ya, you are true...."but alakh sir giving quality education for free".....but I am not blaming coaching instutions....but they are taking lakhs of money for education, these is not correct na bro..
This series was made for the dropper but utilised by the class 11th neet aspirants
Yes true bhaiya
true af 😅
fr this is so goddam helpful for school exams and in long term - NEET
I'm also in 11th and studying here.
The only thing that keep me here is GRAVITY 🔥
from 5:30pm to 12:48am 😂
Tumlog ne pura attend kiya
ruclips.net/video/oNXxI7kJav4/видео.html
Poora live class kiya be sachin?
@@bobbyraj9291 haa be :)
0:00 Introduction
2:15 Newton's Law of Gravitation
25:17 Principle of Superposition of Gravitational Forces
36:22 Force on a Mass at Centre of Symmetrical Mass Distribution
43:18 Gravitational Field
46:52 Gravitational Field Due to a Point Mass
48:05 Principle of Superposition
1:14:31 Gravitational Field Due to Continuous Mass Distribution
1:30:17 Force on a Mass in Gravitational Field
1:44:31 Gravitational Field Due to a Uniform Circular Ring at a Point on the Axis
1:53:52 Gravitational Field Due to a Uniform Spherical Shell
2:10:32 Gravitational Field Due to a Solid Sphere
2:20:18 Acceleration Due to Gravity of Earth Near Earth Surface
2:47:08 Variantion in Acceleration Due to Gravity
3:33:20 Gravitational Potential
3:46:56 Gravitational Potential on the Axis of a Uniform Circular Ring
3:48:06 Gravitational Potential Due to a Hollow Sphere
4:13:02 Gravitational Potential Due to a Solid Sphere
4:29:58 Gravitational Potential Energy
5:04:50 Escape Velocity
5:32:53 Orbital Velocity
5:49:58 Time Period of Revolution of Satellite
5:56:18 Geostationary Satellite
6:07:10 Energy of Satellite
3:19:59 Weightlessness in a Satellite
6:23:05 Ellipse
6:31:36 Kepler's Laws
6:48:06 Angular Momentum of a Planet About Sun
6:55:38 Area Velocity in Terms of Angular Momentum
6:57:52 Velocity of a Planet at Perigee and Apogee
Good
Itni quality education free of cost😲 Sir you will be remembered by many students becoming great in life just like you❤
Surely this years in neet2021,we all ll make him & his team proud ❤️
@@m.yaseen7097 yup
is this one shot enough to do chapter for the first time, or is it only enough for revision?
@@gameprompt8073 no. Never follow these one shots if you’re learning stuff for the first time, these are for the ones who’ve already done the chapter once.
He is providing all content of yakeen batch but in quick way and practising less question as compared to batch but he is providing same level content
Sir you are one in "A-lakh"
Wow that's something original
🔥✨
True.
aaaahhhaaa aaaahhhaaaa waah waah waah waah waah
Waaaaaahhhh waaaahhhhh.....
Maja aaya....!!;;))))
Mast innovative tha yaar.. mast ekdumm..
April me kon dekh rhe ho?? 😮2024,, 11 th barbad ho gya to aagya sir ke pass 11 th sudhar ne😂
Lecture starts at - 5:30 pm on 11/06/2021
Lecture ends at 12:47 am on 12/06 / 2021😊😊😊
Vese kis kis ne lagataar poora dekha ??😎😎
Main to bus dekhta hun ki kahi nya record to nhi na bna 😁
Maine
Maine with notes n solving each que myseld
Mene 😊
Yep with notes 😊
AFTER WATCHING THIS VIDEO IN ONE SITTING... MY ENERGY GOT LOST WITH ESCAPE VELOCITY
Hey, I am in 12th but I don't even know the basics of this chapter. So will this video be helpful for me or should i watch the detailed videos?
Plz someone reply
@@sufiya2471 do you have the time for the detailed ones?
@@muskanhira763 no!!!
@@sufiya2471 it's ok to watch these videos if you can solve these questions at least it will help you in future.
This chapter is around 70% same as electrostatics
@@sufiya2471 if u r in 12th then I think u have ample of time for neet 2022....
Homework question at 1:30:08
Answer is E=2G[ln(a+l) - lna]
ln = log with base equal to e.
Put dm/dx=m/l= 2x and then integrate dE = Gdm/x2 ( where dm = 2xdx)
Hna meri bhi yahi aa rahi hai ,pata nehi hai ye ans sahi hai ya galat
Mera to GM /4[l+a2]
@@Biobeats888 how ?
@pranav sethi mera galat tha
Thnkuu bro
1:30:11 H.W. ans- 2G log((a+L)/a)
1:49:43 HW ans plus minus 2GM/3√3R²
hey sorry but could you explain the second one?
Slight correction of ans 1 …it is 2G ln(a+l)/ a
@@bismillahpatel822 🥲 2Gln(a+L/a)
Sir thought this is fast but legends are still watching at 2x....😎😎😎😎😂😂😀😂
Hey I just done with my 12th boards
& Mene iss chapter ko ek baar bhi ni padah
Is ths enough for me to build concept
Pls tell🙏❤️
@@aditisharmavanian8797 ofcourse
I also clear my all concept through this video only 👍👍👍
Are jaha alakh sir hai waha kahe ki problem
Me too😂😂
Me tooo🤩
2:38:11 Q 18 can also be done by potential energy
As both potential energy will be same the Mgh =Mg'h'
M9g2=Mg'h'
h' =M9g2/Mg = 18m
4:49:22 answers is wrong sir, you forgot to put 2R in place of h. 😅
Yes
Was searching for it 😊
yess
Yess
Just came in the comment section in search of it
Finally found it😁
PANKAJ SIR : ALAKH PANDEY sir tum to bde heavy driver nikle
PW: arre nhi sir vo aaj Babita ne bola tha record bnane ke liye😁😁😁😁😂😂😂
Pankaj sir .....9 hrs😁
🤣😂😂
arey yaro yae record break karne ki chakkar mae video bht bade hojare 😣 😣 m not able to complete all 3 subjects all in 1 day go
@@xyz1002 oi....tui ekhaneo achis'm......toke na evr ...dara
Sir this is my kind request :
Please first complete the chapters which have maximum weightage like electrostatics , current electricity , semiconductors , modern physics , we have to finish them first 🙏
Guys please like maximum so that sir can read this comment , please 🙏
Yes, there are chances of postponement because admission process takes over a month! And forms are not released yet. But prepare as if NEET is on August 1 only.
@Hritik Baranwal Par yaar pehle vo chapters kiye tho accha hoga na , baar baar rewise kar sakte hai
@@aparnakhurana21 can't say about postponement , our education minister never says anything correctly 😑
Guys, I don't think that Postponement hoga bcoz some insiders are saying ki NTA is waiting for a decision by Supreme Court stating that Every State will have to cancel their respective Board Exams and after that they will be conducting the exams in August itself.. Take this news with a pinch of salt though.
And don't expect postponement.
@Mechanical minds,,agree with you..hope sir will read this comment..nd please guys don't think about postponement..agar postpone hoga to achha hai na ki revision k liye tym milega..sir ko July tk any how syllabus kra dena chahiye.. let's see 👍
In my coaching, Normal Gravitation lecture was of 6 hours and here crash course is of 7 hours....which itself clears that the content is not less than any normal coaching......👌👍👍👍👍👍
MAX. SELECTIONS FROM PW!!!!....... SIR LOVE FOR PW IS JUST AT ANOTHER LEVEL...NO 26 ALPHABETS COULD EXPLAIN IT!!!
Achha....matlab there are only two words which can define love for PW😂😂😂😂😂😂😂😂😂😂😂
Only 2 alphabets 'P' and ' W' can explain it 😬❤️💙
@@how9055 🙄🙄🙄
haan max selection 😊😍
@@how9055No offence but either snehashree is 2 smart or 2 dumb 🤣
My teacher teaches this chapter in 20 day and then also I am unable to understand this. Hats off to my God alakh Sir love u infinity..
Please mereko batao is it enough to study from umeed series for NEET...2022
Same here
mine did it i 1 lecture and I didnt understood anything lol
Can we have a moment to appreciate his and his whole team's efforts . 👏👏👏👏 It's not even easy to keep standing for 7 hours straight and sir is teaching hats off to you . 🙏
Please mereko batao is it enough to study from umeed series for NEET...2022
He is a legend 🙌
@@fahadyousuf4109 yes
Q.no-41.
At 4:49:47
h=2R
Congratulations to all those who completed the whole lecture in one shot !! Thank you sir ♥️
I am one of those
I am one of these
ya 😘😊
Literally in 1 month cus I m promoted_________lol 🤣
is this one shot enough to do chapter for the first time, or is it only enough for revision?
Beauty of this masterpiece is that, He has same energy and spirit throughout, if it's a 2 hours lecture or 10 hours, Hardly matters!!! ❤️
Bhai tu kashmir se hai kya
yes you are right
1:29:59 hw answer 2G×log( (a+l)/a )
1:49:10 hw answer (2GM)/( 3^(3/2)*R^2 )
1.29.59 vla kese nikala ans ?
wo log kaise aaya?
"Achcha baccha" : in Alakh sir's terms..
2GMx log(a+1)/a hoga ig.. mass kaha cancel hua h!?
@@sweksha5479 1/x integration is equal to log x
1:30:09 homwork answer:-
E=2G[ln(a+l) - lna]
send solution
Correct
CHUP NA
6:38:45 sir please ignore them we want these kinda lectures only. One shots are the best.
1:53:43 Break 1
3:52:45 Break 2
5:33:11 Break 3
yes
Nikal be🤣
Anyone for neet 2025
Watching this lecture in December (I m on 5th December) 😊
Chlo complete krtai hai 🙃
How you find this, is only this enough and question practice
@Faheem-r yes theory is pretty enough
But u have to solve questions for more clarity
@@Pikutheaspirant Thankx are You, preparing for NEET.
Yesss❤
every institute teach for their students but physicswallah teach for our country to grow up
@@yasir5399 Ha toh kya hua
Sir you are one in "A-lakh"✨❣️
Is this video good for neet?
Should we study any more ?or not
@@KashmiriJanu yes it is enough but do derivations also of all topics and make notes and revise
@@gautamkumar-tt5hi 😄😄🤗
4:41:27 here in the formula U=-GMm/R , the capital "R" is wrong there should be small "r" actually
Yepp.. Its small 'r'👍
Haa bhai mein bhi yahi soch raha tha
2024-2025 vale attendence lgaooo
Present sir
Present mam 🥱
Mam internal ke full dena.. Present...
@@Anysull what happen
Mai bhi
1:30:05 hw question answer-
2G [log ê(a+l)- log ê(a)]
How to do
@@sripoojithatallapelly6041 when you solve dx/x = log x ...then take limits ...log a -log b
@@harshita2023 thankyou
96
Continuous 7:17 hours lecture with just 30 min break....hats off to all the students who had the patience to sit this long...and obviously to sir as he is just too good
A huge huge huge thanks to alakh sir , around 70 questions in this series and in practice sheet will be many questions within 7hrs , can't even imagine 🔥🔥🔥🔥
Is it enough for neet?
I have never touched this chapter so should i watch this or not?
@@nabiulhassan377 yea it's absolutely enough ,but you have to pay attention and solve all the questions by yourself
@@ta55u bohr question khud se solve nahi hote hai tumhara bhi aisa he hota hai kya bro plz batao
2023_2024 walle students appna attendance laga de👍
😢😢
Best series for target student
Bro is this video enough for neet 2024?
@@debangshumahato5254yes, but practice at least 100-150 questions otherwise it'll all be in vain
@@aintnotroublebigenough thank u ☺️ So much
1:27:40
Ans: E=2G[ln(a+L/a)]
1:30:01
Q12) Answer of hw question -
2G log (a+l)/a
Can you explain in detail
@@akshaya.m796
Do it in the same way as sir did that question
After sir's 2nd step, just put 2xdx in place of dm and then proceed
After doing integration your answer will be ready👍
@@priyabratsahoo5020 thank you so much
@@akshaya.m796 Welcome😇
@@priyabratsahoo5020can u pliz elaborate
30:01 Sir be like Jayada Tezz ho to Recorded me speed kam kr lena
And Me watching it on 2x😂
Me also bro
@@rahulmangvani6189 Maine 7 hrs ka lectures 2:30 hrs mein complete kr diya bas weak Topics padhe
Me completed whole lecture in 2 hrs
@@krishnagautam2189 Tum Purush nhi Mahapurush Ho Mahapurush
Same pinch😂
At 1:00:13 you can use x = r/√n + 1 where n is no. Of times the big mass is of small mass example 10 × 100 = 1000 so n = 100
6:45:25 Sir says don't come here for feel. Somehow I still got it tho. How does NCERT fail to explain this and sir succeeds even tho its the same thing? This is forevermore an enigma.
5:08:55 my favourite song
MAN MERA .......
Old is gold
The energy is unbeatable... ALWAYS GRATEFUL AND LOVE THE PHYSICS WALLAH TEAMM
is this one shot enough to do chapter for the first time, or is it only enough for revision?
Is this video good for neet?
Should we study any more ?or not
Guy's this lecture is enough to explain all the concepts our alakh sir is best ❤
I really appreciate physicswallah not only Alakh sir but whole physicswallah family. For me whole physicswallah team is an emotion. Their hardwork dedication determination is really exceptional. You know i am just confuse physicswallah team is taking 9 hours live stream in umeed batch and Manzil batch and also teaching relevant concept. I am aspirant of Yakeen batch 2021 and i also bought batch for my brother who is in 12th class. Physicswallah is making revolution. No one can deny this fact. And i am waiting to crack this year neet and become member of physicswallah alumini.Huge respect for whole Physicswallah team. Love you All
is your neet cleared
I spent 2 years in Allen...bt could not get this much of knowledge... hats off ❤️ I hope iss saal neet pw k naam pr crack karuu m❤️
M bhi aakash m liya tha coaching lekin bahot bura number aya h neet m ... physics wallah 👍👍👍best ..jai PW 🙏🙏🙏
@@gyandeephazarikahazarika1611 jai ai axom bro...jai pw
Kya hua selection hua ??
@@harendrakumarsingh9007
Assam m obc student ko minimum 415 chahiye .. government medical pane k liye mera 356 aya h
@@Comedystation2086
Tumar hol nki selection
Bholenath sab par kripa banaye rakhen🙏🙏
Isko jab tk neet hoga Jab tk har saal ke aspirant dekhnge kabhi na kabhi 😅
5:54:15
*The question is wrong*
For A it's distance from surface = r
For B it's distance from centre = 2r
So for both total distance from centre = 2R
Hence ratio is 1:1
if distances are different ie from surface = r and centre=2r ,,, and we need to take distance from centre of earth ,, so distence of A should be = R+r na??? is question ko solve kaise kare?
Centre waala distance laga do
Aur is ques me R(earth) = r hi hain
Agar R aur r alag loge toh phir variables mein aayega
T(a)/T(b) ka sqaure = R+r/2r ka whole cube
I like his most fabulous dialogue that is " A Daadi Vale Insaan Padha "
who also likhe his dialogue
👍👍👍👍👍👍👍👍👍👍
😂😂😂👌👌👌👌
Op Alakh Sir
Alakh sir OP😂😂
Time stamp?😅
I am Allen student. And my teacher taught me exactly the same way. He even used Alakh sir's mentoz zindagi phrase for himself and every student loved him. When I came here I realised he was copying the legend. What a shame!!!
Nobody can get better at it than Alakh sir. He is G.O.A.T! Thank you so much sir for this series🙏❤
Bro, copying the good things isn't bad.. atleast he tried to make the things easier.what I wish is even my teachers also watch alakh sir class and teach me offline like this. 🙌
@@prajwal.mahadev__official Maybe you are right about the copying part. I was actually taken aback when I realised it wasnt his own method. He was good, to be honest.
But lemme tell you, no teacher is going to be like alakh sir!!! Never.
I think mentoz zindagi method is written in every basic book available in market..period 🤦😂
is this one shot enough to do chapter for the first time, or is it only enough for revision?
@@gameprompt8073 only for revision I'd say because it goes a bit fast. You won't have clear concepts
1:49:14 Answer will be 2GM/3√3R square
I am a doctor and joined IIMS pune in 2022 , and i am 26 but in my hole career i didn't wached such a nice explanation
22k likes in live class that's the power of alakh sir
Congo 400k subcriber 🥰🥰🥰
Hii
plz subscribe our RUclips channel
I am watching this from yakeen 2.0 2023
Thanks sir everything is crystal clear
Qq aap batche m padhe ne bhai btana
Aapki class konsi hai
@@Liveandletlive773 agr bilkul b pada nahi ho bas basic mathematics aur motion ke baare mai pata ho samaj aa jayega kya?
Is this sufficient for neet please reply bro
Kyu bhaii usme Mr sir h 😶fr be yha ...Se
Class 11 vale attendence do
that day was the luckiest day of my life when i found physicswallah channel ..
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Firstly I found that he's wasting my time when I saw his video. But when a topper recommended me his lectures of electrostatic, I was amazed. But now, I m his big fan after seeing his efforts and contents on RUclips and unfortunate about not having chance to join any of his batches of pwian.
Bhai tum kaha rahte thee itni din
1:30:09 in case of variable lamda E=2G[ln(a+l)-lna] is it correct sir??
Yes it is
yes it is correct
Yes it is ri8 ans
How u did this ques plz explain me?
@@solobird1997 put ,dm =2xdx in formula of E.
Imagine neet 2024 getting cracked by students who watched this vids
Let's make it a reality....
@@olivetree693 yeah let's do it
yes we can
Yeah
Idiots only 1 chap can't make u crack neet🗿
Bich bich me kon slow bol raha hai😢
But me to 2x pe dekh raha hu😂😂
Jo Jo 2x pe dekh rahe hai attendance lagaye
👇
😅😅😅
❤️In-depth lecture on RUclips =11 hrs And Crash course=7hrs........❤️ans: All 11 lectures have their seperate intro and outro and some breaks, ❤️If that all are not considered then 11hrs lecture also could be completed in 7 hrs. ❤️There is no difference in Lectures and Crash course, Crash Course is only Merging of Lectures that have ONLY 1 intro and ONLY 1 Outro.........❤️ NICE,PW
is this sufficient for neet
@@netsathish3941 Yaha mai jee ka hoke dekh rha hu 😂
@@netsathish3941 bro lagta hai aap new new 11th-12th mai aaye ho , agar nahi ho to abhi tak to pata chal hi jata ki yaha institute se bhi jyada aache se padhai hota hai , well in short yes this is sufficient but you hav to solve practice paper also !
@@imposter6907 mai bhi jee ko target kr rha kya mai bhi is playlist ke saare chap. padh skta hu...? plz help
Major contributions for physics score of selected students in 2021 will be from PW family 🥰😇
right 😊😊😘
@@nishagirlmemer4506 yaa🤠💗
Tmhhara kaisa rha bhai 2021 m?
When lemda=2x then gravitational field from rod at point 'p'=2G log(a+L/a)
Actually it's natural log
correct!!
5:54:00 distance of planet should be from center = R + r
and R + 2r
Exactly, I'm also confused
Me bhi yahi dekhne aayi thi ki me sahi hu ya nhi 😂😢
Fun fact : This is first lecture of Alakh sir in Competitionwallah ...and finally 400k subcriber banake gaya
Yes
Best teacher of physics who exist in the world 🌍🙇🙇
1:30:15 - Ans: 2G{ln(a+L)-lna}
Same
Really it is too much useful for neet aspirant ❤
👍🏻
Best part of the video is sir ekdam simple language me samjhate h baki teacher's apni bol ne ki language se hi students ko confuse kr dete h voh starting ka part dekhte hi ghabhra jate h fir skip the chapter 😅 no doubt alakh sir is the legend of physics nd also of educational field
Yus true mai bhi skip kar diya tha chap. But is lecture ko dekhene ke baad ache se samgh aa gya chapter.😊
hey im jee aspirant.. will this video help me with the standards of jee mains
At 4:49:55 Answer is option b 2/3mgR
Ha mujhe bhi yahi mila
Yesss it's right
A big shoutout!!!! I got 92marks in physics and even though that exam paper was tough during 2020 and this is needless to say just because of you sir.
Kon 2025 k lye aaya ha
October wale attendance lgao 😊
Watching now in November 😅😅
H. W. Question→
2G {loge (a+l) - loge(a) }
It can be solved one step further 2G log(a+l)/a
How
In this lecture Alakh Sir solved almost every NEET PYQ🙇🏻🙇🏻
Kya ye on short dekhne se pura samjh me aayega zero leval se or pura jitna onshort h lesson ke clear hojayega neet 2023
@@tahsinparveen3200 yes
This is best lecturer of gravitation because in one shot sir cover all about whole things that a IIT or neet student required. Hats off sir 🙏
Love from Agra
Please mereko batao is it enough to study from umeed series for NEET...2022
It is more than enough
Pls tell is it enough for jee mains
@@sunidhikumari5866 for mains barely yeah for advanced heck no
@@gauravshelke3492 aye bro i tallied it with my advance notes
most of the topics are covered the rest depends on your question's practiced
Old is Gold
Alakh sir jaisa koi nhi😊
Sir Ans of Hw ques of variable lambda gravitational field at P due to
Rod is:
E=2Gln(a+L/a) - 2G(L/a+L)
no its not correct
@@syedharun5520 oh then according to you what is?
mera toh 2G{log(a+1)/a} aya 😥 EDIT: G
5:54:10
Sir yaha pe satellite A ka distance Earth ke surface se aur satellite B ka distance Earth ke centre se diya gaya hai
T² proportional to r³ yaha bhi valid hoga?
What a beautiful video.. Really if students see this video their entire preparation will be modified. Wish you all the Best Alakh Sir .
1:30:05 2G(lembda)ln(L)
Bas ham sir ki mehnat ko barbad nhi jane denge aur selection leke pw ko aage leke jayenge❤️❤️
Disclaimer: Use earphones during lecture.....Otherwise u can be suspected by parents....
Means?
Try it... U will know what I am saying 😂😂
@@MKJha-re6nm lol
@@MKJha-re6nm ss my father was saying what are u seeing 😠😠😠 when sir sing some songs
THANK YOU SO MUCH SIR …Puri zindagi nikal jayegi aapka ye eehsaan nhi utarega 😭💜💜
Who are watching for Neet 2023 ..
Neet 2023 Yes
me
when difficult question comes and we are just waiting for the mentoz method/zindegi, and then sir says ....ab beta iska mentoz method dekhenge ..........my heart 💓 says...=dil garden garden ho gya 🥰😂😂😂🔥💟💟💟😍❤️
Please mereko batao is it enough to study from umeed series for NEET...2022
@@fahadyousuf4109 abhii time he 6 months it is better to join any batch, thoda deep me padoge to theek rhega , by the way umeed batch is also okay
12:57 , this ques is actually in sir's first lecture of gravitation ❤️
Ya me too remembera actually
3:17:16
Fir log bhi chale gye Nam bhi Chala gya.
Koun Neet 2023 wale hai attendance mark karo
Answer to homework sawal
field =2G[ln(a+l)-ln(a)]
Thank you so much for your efforts 💞
Yes I got it too😊😊
How? Could u plzz explain me?
@@solobird1997 integrate it 1/xdx ko integrate Karo from a to (a+l) aajaega
@@nehaparveen4403 wahi toh 1/xdx ko q integrate kare i mean dm kaisa nikala
@@solobird1997 lamda is given 2x
Lamda=M/L yaha se dm= 2xdx aaega and then integrate karo 2xdx/x^2 toh 1/xdx milljaega
Sir i am a post graduate from physics and currently I am preparing for higher exams nd for that i am preparing from ur videos. I love the way u teach us.. Blessed to have a teacher like you. Kash hmlog ko bi aisi suvidha cls 11-12 m mili hoti to aj kch r hi macha diye hote.. Thank u sir.
Please mereko batao is it enough to study from umeed series for NEET...2022
@@fahadyousuf4109 yes, enough.
@@fahadyousuf4109 yeszz
.
Jisko karna rhta hai uske pas excuse nahi rhte samjhi kya
Amazing lecture, attended the entire class of about 7.5 hours
Isme pura lecture aa gya
0:00 INTRODUCTION
2:15 NEWTON'S LAW OF GRAVITATION
25:17 PRINCIPLE OF SUPERPOSITION OF GRAVITATIONAL FORCE
36:22 FORCE ON A MASS AT CENTRE OF SYSTEM MASS
43:18 GRAVITATIONAL FOELD
Yeahhh completed😁😍😍
Sir ke lectures and dpp se alag ncert ke questions vi krne h kya. . . . . . . . . Plzz btado
@@shifarao165 nope sirf lec achhe se karo and dpp solved kro ye more than enough hai ..
Agar fir bhi aapko statifaction na mile to pyq solve karo ❤ ...
R u a fresher or dopper???
Ques lg rhe hai lec. comp. krne ke baad kya.? plz reply.
@@DeepSingh-vm1gn yepp ha kuch kuch mai doubt rehta hai if u can't solve then class ke notes revise karo fir bhi doubt solve nhi hua to app pr dpp ka solution bhi milta hai wo dekh lena☺❤
When a Relative asks me about my NEET Result
Me: 4:58:14
😂😆
😂😂
Bhai moj kardi😂😂😂😂😂
Lmao🤣🤣🤣🤣
@@kunal6014 how are those irdots kunal xd