How to Solve Lens Numericals | Lens Maker's Formula | SIgn Convention in Lenses| 10 CBSE / 10 ICSE

[@PhysicsWallah]

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 )
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/
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.
Refraction of Light Class X : CBSE / ICSE : Bending of Light : Bending in Glass Slab And Prism
ruclips.net/video/euj-sXYys9o/видео.html
What is Refractive Index ? CLASS X : CBSE / ICSE : Refraction Of Light 02
ruclips.net/video/0peBVJuZXKE/видео.html
Snell's Law : Class X CBSE / ICSE : Refraction Of Light 03
ruclips.net/video/sOYWas_P_F8/видео.html
Glass Slab : LATERAL DISPLACEMENT of Light : Class X CBSE / ICSE : Refraction Of Light 04
ruclips.net/video/rDAHDj-qPsE/видео.html
Real Depth & Apparent Depth : Class 10 , 12 ICSE / CBSE : Refraction of Light 05
ruclips.net/video/UvlSe59Zsxo/видео.html
Angle Of Deviation in PRISM : MInimum Deviation Condition : Class 10,12 CBSE ICSE ISC
ruclips.net/video/Few1Uip06nc/видео.html
Critical Angle & Total Internal reflection : Prism ray diagram : Class X: ICSE
ruclips.net/video/9MNsxX-__xM/видео.html
Prism Ray Diagrams || Path of Ray through Prism || Total Internal Reflection || Critical Angle ||
ruclips.net/video/r5x53NkAgiY/видео.html
LENSES :CLASS 10 : CBSE & ICSE : CONVEX AND CONCAVE LENS: Characteristic of IMAGE :REFRACTION:
ruclips.net/video/_4AidWmr9go/видео.html
How To Use LENS MAKER FORMULA : Sign Convention and LENS NUMERICALS: Class X :ICSE /CBSE PHYSICS
ruclips.net/video/PjiTB9eAyho/видео.html
How to Solve Lens Numericals | Lens Maker's Formula | SIgn Convention in Lenses| 10 CBSE / 10 ICSE
ruclips.net/video/uU26G59tnKU/видео.html
DISPERSION & SPECTRUM of LIGHT : CLASS X , XII : ICSE / ISC/CBSE
ruclips.net/video/ZvsQUKyJHmU/видео.html
10 ICSE : Physics chapter 4 : Refraction at Plane Surfaces : Imporatnt Compilation
ruclips.net/video/PINlGOKF9Lk/видео.html

[@vijaykumarsingh7539]

I think That answer of this question is wrong v=7.5

[@ShubhamJhaFilms]

Sir in my school we have been taught lens formula as 1/f=1/u+1/v

[@alltvepisodealltvepisode6308]

299999 lakh

[@shariquesiddiqui1895]

Bohot Accha Explanation tha

[@shivrajsinghnirvan6140]

Sir please tell can a image be formed on left side if it is true then it is real image or virtual or negative image size or positive ? Thanks

[@hussainaman1951]

It feels like ,he is teaching from his heart ..and thus he today achieved his goal.....

[@sumitmahto7546]

Physics wallah na hota to hamara kya hota...thanks sir

[@sheetalshrestha4621]

Yarr hamara Nepal ma concave ka focal length positive hota has and convex ki negative 😭😭😭😭😭 how it is possible for vice versa

[@YashMittalfav]

Focal length / power
Concave mirror: -ve / +ve
Convex mirror: +ve / -ve
Concave lens: -ve / -ve
Convex lens: +ve / +ve

[@jackone5664]

@@sheetalshrestha4621 paper india mai dena

[@outofbox000]

@@sheetalshrestha4621 tei hunxa hou lens ko mirror ko chai ulto ho

[@charuparashar2512]

Rytt yll

[@robinbatth8440]

Sir one day u will definately achive your goals .you will be the best teacher of physics in world .keep it up👍👍👌👌.

[@pixie78hsial]

He already is

[@armanthakur699]

Haa

[@GAURAvSharma-zn4ey]

That has happened

[@mikasa-wv6vv]

Ur wish came true bro😎

[@arnavbindra7780]

You were right

[@angelarisha991]

Sir u r really a brilliant teacher
Thank you so much for clearing my all doubts regarding Stoichiometry.
U really deserve nobel Prize ☺

[@YashMittalfav]

Focal length / power
Concave mirror: -ve / +ve
Convex mirror: +ve / -ve
Concave lens: -ve / -ve
Convex lens: +ve / +ve

[@gamershouse5533]

Concave=-ve
Convex=+ve

[@anupdhakal952]

Wrong

[@anupdhakal952]

Concave mirror +ve
Convex mirror -ve

[@YashMittalfav]

@@anupdhakal952 In concave mirror, centre of curvature lies left of pole, therefore focal point also lies left of pole, therefore focal length is negative.

[@shotbyumar]

K

[@naveenpattihal5441]

No lecture can teach this concept within 10min....Physics wala sir did so..... Huge solute.... #BestPhysicsTeacher

[@crafty8731]

Anyone from 2024 boards

[@AdityaGarg7]

😢me

[@vinaytiwari1295]

Yes

[@cyberff2493]

Yup

[@gauravlakhansinh7119]

Me😢

[@ssshorts40103]

Haa too

[@umasankarparida2391]

Your passion of teaching can be detected by your actions, the way you were using your glove actually show that how much you were involved in the study

[@meghas_destiny1382]

This video cleared all my doubts that was prevailing from last few months........ I wanna thank u for preparing such an amazing video....

[@phantomroy7730]

Bahut achaa vaiyaaa 🎉🎉... Bahut sare source dekhe ..nahi mila complete solution..... Physics wallah se mil geya

[@yoyoshauryasingh4147]

Sir hmare school aur tution teacher ne 1 saal me nhi samgha paye aur aap 10 min me samgha diya thnx sir

[@Naveenkumar-sq6so]

you are the only one who make me doubt free in this chapter...i had already understood this from my teachers ..but i could not not understand this...but now this chapter is crystal clear from me.and that's only because of you alakh sir..thanku so much🤗

[@PoonamSharma-dp3sr]

Sr today the recognition u get is all the results of your ingenuousness and hardwork

[@Tripathigamerandfitness-01]

Hi

[@maheswardash2983]

The only teacher who talks on topic only. No bakwas ❤

[@jyotsnamukhare4758]

You made me regain my curiosity for the studies Sir..... great teaching 🖤

[@janvikumari_it_1122]

Thank you sir .
You made lens concept crystal clear .
😊😊🙂

[@10EHarkeeratSingh]

Excellent teaching, good for quick revision 👏👏👍🏻

[@arpitmusic01]

Sir you have to start teaching again ❤ you have a great teaching skills. Seen you seen as a teacher again in PW.

[@rajandevi57]

Thank you so much sir...the sign convention was always a confusing topic for me but because of you I have learnt it completely....thank you sir....😊😊

[@prateek.v.k]

Thank you sir!!!
You are one of the best teacher!!
You made me love physics!!!😘😘😘👍👌👌

[@smitaparashar9227]

Nice class with crystal clear teaching...👍

[@officialshortsmaster31]

Sir aap phle bhi aise the or aaj bhi aise hi ho.... 🥺 never lost ur style or tallent ✌❤ god bless you alakh sir 💝

[@hova6642]

sir ka toh jabab nahi 1 question se sab clear ho gaya

[@nilshkmr]

WALLAH HABIBI.....AAJ YE CONCEPT AAPSE V PADH LIYA... BAN GYA AAPKA STUDENT..

[@shreyash2210]

🙏🙏🙏god of physics................itne mushkil topic ko itna easy bana dete ho ............legend

[@venomgamingyt469]

Sahi kaha

[@SachinRawat-mm6sb]

5:54 sir magnification formula is -v upon u

[@r_yan1619]

In lens it become v/u

[@AdityaSingh-tq8ej]

You r the best teacher of world

[@vaibhavyadav6932]

Mene apse kabi nhi padha bas name bahut suna tha per aaj radio operator ke exam k liye ray optics padha 12th ke baad se ab ..to jan gya aap itne famous kyo hue .....you really deserve it❤🫡

[@aditikk]

Anybody here for 2023 boards!..

[@sandipbhakat1625]

Yes bruhhh

[@user-om8fy2io9r]

Yup

[@Rocklox_]

Kal hai

[@SmugCatMemes]

Yea bruhhh 😩

[@zwitterion2980]

after 9 hrs f my science book give away

[@shashikantpatil6797]

After 4 years he is a legend,
Hi is every 11 th & 12th students hero
Her feature ✨

[@patidar74]

Sir u are amazing my all doubts are cleare now thank you sir

[@Harshvardhan-zk6oi]

Best physics teacher I ever seen 😊😊
Best teacher

[@10focused_]

Thank you for existing alakh sir!!!❤

[@jaaaaahnviii]

watching this masterpiece a week before my physics exams and trust me, all concepts of mine are clear now❤❤✨✨

[@Ayush_Yadav007]

Mine Also

[@Mell0whiwashere]

1 and a half hours before exams, you saved my marks sir haha.good luck other board exam writers !!

[@swagatsamantaray4089]

Sir you are so fluent and clear .you make it easy to understand

[@MaheshJawale31]

Congratulations sit before reaching 1 Million suscriber

[@theabhiram1639]

Mahesh Jawale he has hit 3 mil

[@aryansingh3642]

@@theabhiram1639 see when he commented

[@sunitajalan6274]

Sir apse accha koi nhi padha skta free m bhi nhi aur paisa dekar bhi nhi. I am tired of saying that " You are the bbbbeeeesssstttt..."

[@anushkasingh016]

Maine 95%physics.. Physics wallah se hi sikha h... Tnk uuuuu so muchh sir

[@suchetamishra1346]

What are u pursing right now

[@Jyoti_kohli__]

Bhai sahi mein kya gajab padate he😮

[@tanmayjape3758]

THANK YOU SO MUCH SIR!!! YOU EXPLAIN SO THOROUGHLY. NOT LIKE OTHER CHANNELS WHERE THEY JUST SCRAPE THE CONCEPT OF THE CHAPTER THANKS ONCE AGAIN

[@dearzindagi14326]

Your teaching way is tooo good sir

[@hrishitaghosh3227]

Sir i am watching all your videos they are very beneficial for all of us.Being very grateful to u ....Tq Sir

[@chnrzero07]

I understood full concept after watching this video. Thank you sir.

[@syedaizhar7624]

Thank you so much😊 It helped me a lot👍

[@jagdishchand258]

Its 2023 and Alakh Sir's videos are still 💎💎

[@kaif8103]

Thanks u so much “SIR"

[@umam.n8818]

Dude ur PUBGM id

[@ErenMC_]

Why in double inverted comma?

[@meenukamboj6710]

Thank you so much sir....
may god bless you

[@yousufuddin2798]

God bless you sir

[@mamathascreativeideasandfo6970]

Your teaching is fab🤩🤩🤩

[@smoothabhiyt1241]

Attendence lagao 2023-2024 😅😂

[@shivamdandriyal2108]

sir you have cleared all doubts in one vedio you are legend🤍🤍🤍

[@ayraiqbal2105]

sir really, tx to u.
.. u have taught such a difficult chapter in such an easy way... u really make the concepts clear... once again tx alot !!!

[@deblinasutradhar9232]

very nice video sir...amazing way of teaching...😊😊😊

[@franklyspeaking1531]

Deblina Sutradhar
Oii hello

[@___Unknown_artist_1225]

Huge salute 2 u❤️❤️❤️❤️
How it can be possible in just 10 min...u r awesome sir🔥

[@nihalrajpoot790]

love you Alakh sir❤

[@Sakshiii_radharaman]

Thankyou so much sir 💛

[@sonuraghuwanshi6891]

Thank you so much sir.... Amazing art of teaching...

[@suchetamishra1346]

What are u pursing right now

[@saptasmita_7]

Anyone for 2025 boards?👀

[@Shivamyadav_vlogs_786]

Sir aap bahut accha padhaate hai thnx sir 🙏🙏

[@samiranbaruah4666]

JO baccha Half-Yearly Exam main 12 Mila tha usne 90 score kiya aapki waje se sir
A big thanks to all your effort sir!!

[@hunkman8687]

Mere 14.5 mila ab dekhte hai board mai kya milega

[@VlBPrithwishGope]

Kya Mila bro?

[@FarozahmadKhan-t3t]

Woow frist class is done❤❤❤

[@rajendrapainuly8705]

Tution chodo or padho Physicswallah se

[@skraaakash3324]

Sahi hai...but batane ki zarurat nhi apply kar. Chuke hai

[@armanthakur699]

😁😁😁

[@meghasneha80]

Awesome Teaching Sir.......😊👍🏻

[@rhizopu7804]

This man never say to subscribe and like the channel . Alakh sir 🔥🔥

[@leelakujur3511]

Best teacher in the whole galaxy🌎

[@invinciblebgmi5978]

9:55 CUTEST THNK U FROM AN TEACHER hehe 😂❤️

[@aryannnyay9049]

10:3*

[@rohitrajrajputana8614]

Garib student ka aap masiha hai sir 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

[@SRT__888]

What a amazing teacher and lecture yrr just heads of u sir a huge respect for u 👏

[@MTR1000]

Sir you are brilliant teacher 😄😄😄😄😍😍

[@himanshujoshi6162]

Sir mirror formula par bhi video bana dijiye

[@swatirani9257]

A vedio is already there for it

[@aimgammer4016]

🤦‍♀️

[@SnehaKumari-pc3gq]

15 minute me board ke le tyear karne wala teacher aaj tak nii mila...
😊HUM BACKBENCHERS KE LIYEA AAP BHAGWAN 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

[@71ZODXD]

Sir second formula is m=-v/u or v/u

[@yournotesguide1156]

v/u

[@yournotesguide1156]

Because Lens formula is v/u and mirror formula is -v/u.....

[@abdulwajid6677]

Aap jaisa concept koi clear nahi kar sakta..

[@tanmaymeshram8343]

To remember sign convention we can use coordinates method
IV corrdinates
I coordinate -
II coordinate +
III coordinate -
IV coordinate -

[@suchetamishra1346]

What r u pursing right now

[@sakshamnaugai4609]

Sir mast padhaya,physics ko aapse padhne ke baad pehli baar interest aaya

[@nilimadubey7488]

Thank you sir it helped me to understand each and every concepts of
Lens 👍

[@suchetamishra1346]

Why r u pursing right now

[@amitcreation295]

Physics wallah is my love ❤️❤️❤️❤️❤️😘😘😘😘😘😘😘😘😘,. I love you Alakh pandey sir 😘

[@JODVEGETA07]

Anybody else who is watching in 2024

[@knpandey9908]

Thanks sir realy great way of teaching

[@lakshyachhabra1874]

Legends are watching in2022 . When he became a unicorn emotion

[@lalbabu6421]

Your teaching is .....
Excellent. ....
Great........
Extremely fantastic. .......
Marvelous. ...........

[@volkinclaw6163]

Watching this 2 hrs before the physics board exam

[@kithu9082]

how much did u get?

[@volkinclaw6163]

@@kithu9082 93

[@kithu9082]

@@volkinclaw6163 Wow bro thts amazing. I am a class 10th student and have my boards in a month

[@volkinclaw6163]

@@kithu9082itll be easy, as derivations nhi aa rhi, just keep revising what u study every day, topper vo nhi hota jiska course hojaata h... Topper vo hota h jo uss course ko 5-7 times revise krleta h

[@kithu9082]

@@volkinclaw6163 ok bro

[@aniketanand3577]

Sir aapke wajah se hi mein apna phy aur chem ka syllabus khtm kr paya😊 ❤

[@ankitagarwal707]

Thank you sir i am having test in my school today

[@thenewsunshine1795]

Literally best teacher ever.

[@termgaming6009]

Best science teacher in the history of world, nice explaination
Thanku

[@vinaykumarsharma6431]

Best one shot kind of video for revising class 10th formula application

[@Thelifeofheart6]

Sir you are the great teacher

[@Charvindhreddy95]

Loved it sir ❤❤❤

[@swaz6388]

Sir aap the isi liye hi ICSE me achhe mark la paunga aaj exam hai mera ❤❤love you sir

[@srishtigupta382]

Kitne % aaye aapke ?

[@alientweets]

Sir ji kya baat h savaaaddd he aa gya ji... Phele kuch aata nhi tha aab kuch rehta nhi h..

[@sarojrathore183]

Excellent sir

[@swajeet4282]

Sir you are really legend of physic❣️❣️

[@premlata7315]

Make video on every chapter of class tenth science

[@satyamverma05]

Yes you are right bro

[@SiddarthPawar]

S I support u

[@kiransinghrathore67]

Thank you sir 😊😊😊
You are the best physics teacher ...🤗🤗🤗

[@Fitnesswithrish]

Dhanyawad sir 🙏🙏

[@gollavilliapparao-u2l]

Thanku for how the symbols takes in the formula

[@adityacnady_for_life8802]

Sir aap konse school se padhe hain? Mai bhs mein hu
Thnks so much sir.. My physics syllabus is ready and I got good marks because of u in prelims

[@pcmeducationchannel7207]

Aditya cnady_for_life prelims ias exam vala

[@pcmeducationchannel7207]

Aditya cnady prelims ias exam vala

[@BasicHeaderIndia]

Niceyr

[@adityacnady_for_life8802]

@@pcmeducationchannel7207 class 10th wala xD

[@adityacnady_for_life8802]

@@BasicHeaderIndia :)