For PDF Notes,best Assignments visit and DPPs@ physicswallahalakhpandey.com/ Physicswallah App on Google PlayStore bit.ly/2SHIPW6 Physicswallah Instagram Handle : instagram.com/physicswallah/ Physicswallah Facebook Page: facebook.com/physicswallah Physicswallah Twitter Account : twitter.com/PhysicswallahAP?s=20 Physicswallah App on Google Play Store : bit.ly/2SHIPW6 Physicswallah Website: physicswallahalakhpandey.com/ ALPHA Class 11 Chapter 2 : Units and Measurement 01 - Introduction to Dimensions JEE/NEET kzfaq.info/get/bejne/i9uqjbyHt8nJnY0.html Units and Measurement 02 || Dimensional Analysis : Principle of Homogeneity of Dimensions - JEE/NEET kzfaq.info/get/bejne/g95_Z9Rjp7KlpoE.html Units and Measurement 03 || Dimensional Analysis : Deriving the Formula of any Physical Quantity kzfaq.info/get/bejne/gMBopcZhl7arZaM.html Units and Measurement 04 || DPP -1,2 & 3 Solving || Best Questions on Dimensional Analysis JEE/NEET kzfaq.info/get/bejne/eZNjgqiprrzZd4U.html Units and Measurements 05 || Significant Figures JEE/NEET kzfaq.info/get/bejne/mp-Aiqpi3djTZmw.html Units and Measurements 06 || Error Analysis - Part 1 JEE/NEET kzfaq.info/get/bejne/j6-Fe9GVx93Sink.html Units and Measurements 07 || DPP - 5 Solving || Error Analysis - Part 2 : Best Questions JEE/NEET kzfaq.info/get/bejne/idyGpMl11qyzhGw.html Units and Measurements 08 || Vernier Calipers - Best Concepts with Basic to Advance Questions kzfaq.info/get/bejne/gLimkqt7y628gJs.html Units and Measurements 09 || Screw Gauge Or Micrometer Screw Gauge - Best Concepts with Numericals kzfaq.info/get/bejne/iLyhoN2mrd-ncWg.html

I am a science teacher and have just retired. Recently while surfing the youtube videos got to watch this. I really have become a great fan of your amazing way of teaching. Your students are really lucky. I am sure one day you will rise to the rank of top physics teachers though you have already achieved this feat. God bless you abundantly. 🙏

For DPP 06 visit physicswallahalakhpandey.com/ There is a calculation error @ 45:00 Q3) The addition is done wrong . Answer will be 1.84cm ,i.e, option b is correct For PDF Notes,best Assignments visit and DPPs@ physicswallahalakhpandey.com/ Physicswallah App on Google PlayStore bit.ly/2SHIPW6 Follow us on: Instagram instagram.com/physicswallah/ Facebook: facebook.com/physicswallah ALPHA Class 11 Chapter 2 : Units and Measurement 01 - Introduction to Dimensions JEE/NEET kzfaq.info/get/bejne/i9uqjbyHt8nJnY0.html Units and Measurement 02 || Dimensional Analysis : Principle of Homogeneity of Dimensions - JEE/NEET kzfaq.info/get/bejne/g95_Z9Rjp7KlpoE.html Units and Measurement 03 || Dimensional Analysis : Deriving the Formula of any Physical Quantity kzfaq.info/get/bejne/gMBopcZhl7arZaM.html Units and Measurement 04 || DPP -1,2 & 3 Solving || Best Questions on Dimensional Analysis JEE/NEET kzfaq.info/get/bejne/eZNjgqiprrzZd4U.html Units and Measurements 05 || Significant Figures JEE/NEET kzfaq.info/get/bejne/mp-Aiqpi3djTZmw.html Units and Measurements 06 || Error Analysis - Part 1 JEE/NEET kzfaq.info/get/bejne/j6-Fe9GVx93Sink.html Units and Measurements 07 || DPP - 5 Solving || Error Analysis - Part 2 : Best Questions JEE/NEET kzfaq.info/get/bejne/idyGpMl11qyzhGw.html Units and Measurements 08 || Vernier Calipers - Best Concepts with Basic to Advance Questions kzfaq.info/get/bejne/gLimkqt7y628gJs.html Units and Measurements 09 || Screw Gauge Or Micrometer Screw Gauge - Best Concepts with Numericals kzfaq.info/get/bejne/iLyhoN2mrd-ncWg.html

The clarity of the concept that he gave at 42:00 just blown away my mind.. just like a light sparkled in my brain, excellent

Hey! From batch 2k24-25❤ I also😊❤ 👇

Proud to have you sir. Being a NEET aspirant solving questions of JEE Advanced is like a miracle for me.

Sir i study this topic with my kota teacher but i can't understand since 3day,but you just explain this topic in 30 min. Love you sir❤

Omg so I have recently joined Akash for neet prep and all of my teachers are teaching so well except the physics one I have been facing problems in understanding physics and because of that teacher I started to dislike physics now I have found alakh sirs videos and my concepts are getting cleared

Sir It is humble request to start alpha. Series of chemistry

46:30 sir answer should be 1.84 cm (1.8+0.04=1.84)

No one taught why vernier scale reding is least count × coinciding division but alakh sir taught that... I think that spirit of honesty and hard work toward student had made him such a legend.

ABSOLUTELY INCREDIBLE explanation as always sir!😃👍💪⚡️

Before sir has agreed that his content was limited between jee mains and advanced But Alpha series is sure to gain success because it is upto the point of advanced with question solving and past year problem analysis and solving techniques Thnks alakh sir

Thank you Sir! Your way of teaching have no words... Finally I have reached here watching all previous videos of this chapter! Will continue watching your videos! We truly belong to PW family! 🙏❤️ Thanks a lot

Any 2024-2025 , 2024-2026 NEET and JEE Aspirants here??? Attendance!

I am seeing that in every two days 10000 new people are subscribing physics wallah. What a craze for physics wallah I love alakh sir. 👍👍👍

Total reading= msr+vsr =12.2+0.01×7 =12.27cm Thank you sir 🙏 You are great

46:59 Least count= 0.01cm MSR =12.2cm, VSR = 7th div Reading = (MSR + VSR × LC) = (12.2 + 7 × 0.01) cm = 12.27 cm

This is the perfect vid to understand the concept of Vernier Caliper- thank you so much!!

I found him in 12th and he transformed me from "board me pass kaise hounga" to a topper! *(seriously)*

2:27 Intro of Vernier Calipers 11:33 Formulas 27:40 Questions 31:33 Reading of Vernier Calipers 43:55 Questions 1:02:38 Zero Error Thank You! :)

L.c=1MSD (1-m/n) =0.1(1-9/10) =0.1×0.1 =0.01 Total reading=MSR+VSR =12.2+ L.c×coinciding reading of v.scale =12.2 + 0.01×7 Total = 12.2 +0.07 Reading = 12.27 answer ____2_______________. Main scale 12 ' ! ' ' | ' ' ' ' 13 ' ' ' | |0__________..| v.scale .........| 7 10

Sir the answer of 46:26 question should be 1.840 cm not 1.804 cm bcuz 1.8+ 0.04= 1.84

Sir: *Kuch badhiya se sawal lete hain JEE ke* Also sir: *Yea to halwa sawal hai.*

Sir's last lecture on white board...Sir's "mitarrr de" ia a nostalgia

Best ever video I have seen on vernier calliper. May god bless alakh sir....

Sir, your lectures are amazing and extraordinary 😊

quote that 100% suits on alakh sir "simplicity is the best policy " your simplicity makes u our fav😍😍😍

In question no 3 the answer would be 1.8+0.04=1.840(no rounding off would be done as the option b contains the accurate ,so rounded off answer will give wrong answer)

Once he said " physics can never be boring until your teacher isn't" and I guess WE ALL AGREE!!!

Yarrr me class ki lecture sor ke sir apka vedio dek raha hu. Mano ya na mano mere pas kuch words hi nhi he bolne ki ❤ . Mera mind full active means kya hi bolu 🤧

46:10 -Answer of question no. 3 must be 1.84cm.

Sir Don't ever feel down that you aren't getting instant good response from us the SERIES IS BEST

studying in class 9 and solving jee questions .. JUST AMAZING !!!!!!!!!!!! JUST BECAUSE OF YOU THANK YOU SIR !

Excellent teaching by alakh sir all my doubts are clear and now I am able to do questions of Jee mains and advanced. Thank you sir ❤

A- *Adorable* ☺ L- *loved* ❤ A- *Awesome* 🤩 K- *kind* 😊 H- *Humble* 😌 Sir........with alot of respect 🙏🙏🙏🙏

He is like shinchan grown up with the knowledge of physics.

sir ye aapki website ke link broken hai please solve it i can't solve dpp etc.(technical issue)

Alakh sir is really kamaal😃....unke sikhane ke baad questions banne lagte h to aisa lagta h bas physics itna easy sa h 😆😆... Alakh sir is really great 💐 For my neet physics I m 100% dependent on alakh sir only 😊❤️ Hatts off to you sir 🙏❤️

He is not an IITians, not NITian. He passed out from an ordinary college but still he is great teacher. More experienced than an IITian. 👏👏👏👏👏👏👏👏

total reading=MSR+VSR =12.2+0.01*7 =12.27cm

Kon kon ye video 2023-2024 me dekh rha h.......

who are studying this concept in 9th because of pearson iit foundation btw alakh sir your teaching is really best i have pw 9th subscription and i have solved that 2003 jee question or the 2nd question that you did in the lecture i am so happy i can't expree in my words

46:02 - Sir the answer for Qno.3) should be 1.840 cm but you have written 1.804 cm by mistake

The empire of physics wallah has increased with the ALPHA series and the physics wallah app will make this empire the greatest of all time We are eagerly waiting for it👍👍👍 All hail to the PHYSICS WALLAH 🙏🙏

Thank you soo much Sir 🙏🙏.. My concept has been more clear than before😄❣

Kon kon is lecture ko 2024 main dekh rha hai 😊😊😊❤

Physics Wallah "Isko laga daala toh life jingaa lallah" 🤩🤩🤩🤩🤩🤩

Sir, please screw gauge aur parallax method par ek lecture kariye🙏🙏🙏🙏

Aaj pata chala ki aise vernier se reading li jaati haii...Thank you so much Sir..!♡!

Alakh sir's dedication towards physics in incredible ❤

Best lecture on VERNIER CALLIPER..Ever♥️♥️

सर जी, अपने शिष्यो की करूण पुकार सुन लीजिए, आगे का पाठ भी पढ़ा दीजिए। 😭😭😭😭

I am watching this video after two years, but old is Gold 🥇

Sir mai aapaka jitana dhanyawad Karu utna Kam hai Thakyou so much 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏾🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏿🙏🏽🙏🏻🙏🏼🙏🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🙏

From class 12 and only here to like and support 😁

This teacher helped us to visualize the vernier caliper without even showing the real one. Hat's off sir❤😍👌

47:03 Total reading=MSR+VSR =12.2+0.01*7 =12.27cm Thank you sir for teaching us so good I am in class 8 and still can do these questions so well just because of your teaching ✨

beautiful as it was when i saw it for the first time in 9th class

The only teacher who give us the feel of physics

Humble request to u sir --- 🙏🙏🙏 Sir chemistry k sirf 7 chp hi bche h 12th k... I know wo 7 bhi bhot h lkin sir aapke alava kisi ka bhi content itna achha nhi h poore u tube p, so pls sir chemistry bhale hi dheere dheere karaate rhiye.... 1 mheene m bhale hi 1 chp ho lkin pls sirr... Us se aapka chemistry ka bhi content at least mains tk ka poora complete ho jaayega (11th and 12th both) aur hum bchho ko chemistry k liye struggle nhi krna pdega sir.. Pls 🥺🥺 Humble request to u sir 🙏🙏 Sir tak baat pahucha do yrr koi kaise bhi karke pls 🙏🙏🙏

Sir u teach brilliant i m now reading in expensive coaching but they don't know how to teach but when we have KZfaq with alakh Pandey so don't need to hesitate

total reading is 12 .27 thankyou sir I am in class 9th and it is helping me lot for my JEE foundation i am amazed by your teaching and i thought 11th concet must be very tough but you are making them easy for me thankyou very much sir

Sir in this year you help us lot . during this pandemic , your series helps me a lot and able to understand the concepts like crystal clear ... Hats off to you sir

In the entire youtubers this person only gives us the feel for physics.... Hats off u sir nd ur way of teaching...🙏

46:46 ANSWER MSR---->12 cm coinciding division----->7th 1MSD = 1/10=0.1cm LC = 0.1(1-9/10)=0.01cm Total reading = MSR + VSR =12 .2 + (0.01× 7) =12.27cm

Sir ye jo 3no. Wala question ka correct answer b hoga because 1.8+0.04 is equal to 1.84

After 3 mnths im back again to revise this chp 😂😂😂😂...May Universe grant uh the strength to achieve ur dreams ❤️....stay blessed! Be calm don't stress ur self! 💖😊

40:00 advance theory 🤩🤩 This year i will get IIT Roorkee 135 marks . Sir your blessings always on students 🙏🙏🙏✍️

Q.4) Total reading = 12.27cm My all doubts are sorted after watching this lecture sir....Thank you so much...

this year I gave jee mains by watching your one shots . I have got 82 percentile in physics by watching these videos only.

47:2 ans:- 1MSD=1cm/10= 0.1cm LC=1MSD(1- m/n) LC= 0.1(1-9/10) LC=0.01cm TOTAL READING= MSR+ VSR = 12.2+0.01×7 =12.2+0.07 = 12.27 cm

46:06 Opt (b) must be the answer

Thank you sir for this amazing lecture 🙏🏻

I am in class 8 and I am solving Pearson iit foundation series book, which is a very hard and vast book so I am scrolling KZfaq for the concept of vernier caliper then, I suddenly found this video, But I thought that this is for class 11th,but i thought some concepts are cleared only few topics like least count and finding diameter are not cleared ,but after seeing this video my all concepts are cleared, very good explanation and the way of teaching is very well

it's so awkward when I am learning from alakh sir without using headphones...he sings at any instant 't'....🤭🤭😄😆...my parents looking me with unusual expressions...hahaha so funny...tells me that aj ke jamane ke bache ko padhna he nai hai...she will not listen when sir is explaining but will hear at that time only when alakh sir ....in bet thanks sir v good explanation

46:57 ans sir VSR=0.07cm and Total Reading=12.27 cm🙏 Jai Alakh Baba❤️ GANAPATIBABA OF PHYSICS ❤️

Thank you so much sir mujhe sab kuch samaj me aagaya🎉😊

tremendous efforts sir , sach me feel kara diya

He started his journey with a small board and now he his running a very big platform ,he became the role model and hope for many millions students.......🍂🍃✨ Very big thank from my bottom of heart 🥰❤️

46:07 -- answer. Must be 1.84cm

Sir , Total Reading = M.S.R.+V.S.R. = 12.2cm+0.01cm×7 -----(VSR = L.C.× Coincidence diversion of V.S.) - (12.2+0.07)cm -12.27 c.m.-----Answer

Sir I think the answer should be 1.84 1.8 + 0.01 × 4 = 1.8 + 0.04 = 1.84.

While solving Dpp Me : 😱😯😯😕😕 Kitni khatarnak Dpp hai sir 🥺

46:35 SIR ANS 1.84 HAI . 1.8+0.04 =1.84 AND YOU HAVE WRITTEN 1.804 ..

10VSD=9MSD L.C.=0.01cm Total reading = MSR + VSR = 12.2 + 0.01*7 = 12.27 cm Ans😊

I am from Pakistan you are really great I am checking your lectures I understood really well even though I solved the question 12.2+0.07 is 12.27 answer thanks sir

Sir when u say "hello bacho" ....a smile came on my face😊

Total Reading = M.S. D + V. S. R = 12.2 cm + 0.01 cm * 7 =12.2 cm + 0.07 cm =12.27 cm

Sir aap next level padhate ho Ekdam feel aa jata hai

Batch 2024 -25 mark attendance

Babita, susma and puspa are LEGENDS😅😅, I will remember them always 😂😂

ALERT: IF YOU ARE WATCHING HIS LECTURES CONTINUOUSLY THEN YOU WILL FALL IN LOVE WITH PHYSICS

37:02 had once come here in 9 th , remembered this sentence word by by word, all coz of alakh sir !!

Who is here for 2024-2025 batch of class 11th.🎉

31:47 To know how to get readings

Pura 100 percent feel aa Gaya sir 😎♥️... Bahat khubsurat sa concept hai..(◍•ᴗ•◍)❤ aur aapke DPP practice karke bahat bahat Maja a Raha hai sir..🤩🤩🤩

sir ...L.C ka wala concept bhut acha tha...thanks sir For solving my problem 😊

Sir i have doubt in formula We know that Total reading =MSR + VSR and , HERE VSR is Least count × conciding division of VS . correct reading = total reading --- Zero error correct reading = MSR + VSR --- Zerro error Correct reading = MSR + Least count × coincident division of vs --- zeroo err But zero error = least count × coincident division of VS So , correct reading = MSP + zeroo err --- zeroo error Correct reading =MSP

Pwians Before: Aap kab aayege? Now: App kab aayega?