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

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 : / physicswallah
Physicswallah Facebook Page: / physicswallah
Physicswallah Twitter Account : Ph...
Physicswallah App on Google Play Store : bit.ly/2SHIPW6
Physicswallah Website:
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 KZbin)
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
• Refraction of Light C...
What is Refractive Index ? CLASS X : CBSE / ICSE : Refraction Of Light 02
• What is Refractive Ind...
Snell's Law : Class X CBSE / ICSE : Refraction Of Light 03
• Snell's Law : Class X ...
Glass Slab : LATERAL DISPLACEMENT of Light : Class X CBSE / ICSE : Refraction Of Light 04
• Glass Slab : LATERAL D...
Real Depth & Apparent Depth : Class 10 , 12 ICSE / CBSE : Refraction of Light 05
• Real Depth & Apparent ...
Angle Of Deviation in PRISM : MInimum Deviation Condition : Class 10,12 CBSE ICSE ISC
• Angle Of Deviation in ...
Critical Angle & Total Internal reflection : Prism ray diagram : Class X: ICSE
• Critical Angle & Total...
Prism Ray Diagrams || Path of Ray through Prism || Total Internal Reflection || Critical Angle ||
• Prism Ray Diagrams || ...
LENSES :CLASS 10 : CBSE & ICSE : CONVEX AND CONCAVE LENS: Characteristic of IMAGE :REFRACTION:
• LENSES :CLASS 10 : CBS...
How To Use LENS MAKER FORMULA : Sign Convention and LENS NUMERICALS: Class X :ICSE /CBSE PHYSICS
• How To Use LENS MAKER ...
How to Solve Lens Numericals | Lens Maker's Formula | SIgn Convention in Lenses| 10 CBSE / 10 ICSE
• How to Solve Lens Nume...
DISPERSION & SPECTRUM of LIGHT : CLASS X , XII : ICSE / ISC/CBSE
• DISPERSION & SPECTRUM ...
10 ICSE : Physics chapter 4 : Refraction at Plane Surfaces : Imporatnt Compilation
• 10 ICSE : Physics chap...

[@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 KZbin) 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 kzbin.info/www/bejne/m6bNXqaOjt6mb9E What is Refractive Index ? CLASS X : CBSE / ICSE : Refraction Of Light 02 kzbin.info/www/bejne/ZqHIc4mAqr-Lgac Snell's Law : Class X CBSE / ICSE : Refraction Of Light 03 kzbin.info/www/bejne/qYC8iJSplLWSfJo Glass Slab : LATERAL DISPLACEMENT of Light : Class X CBSE / ICSE : Refraction Of Light 04 kzbin.info/www/bejne/qHWkeXegYtaDqac Real Depth & Apparent Depth : Class 10 , 12 ICSE / CBSE : Refraction of Light 05 kzbin.info/www/bejne/i6fPhJhrbr-mrtE Angle Of Deviation in PRISM : MInimum Deviation Condition : Class 10,12 CBSE ICSE ISC kzbin.info/www/bejne/fJbaYoifpZVppMU Critical Angle & Total Internal reflection : Prism ray diagram : Class X: ICSE kzbin.info/www/bejne/b36xpKuOYsSSrq8 Prism Ray Diagrams || Path of Ray through Prism || Total Internal Reflection || Critical Angle || kzbin.info/www/bejne/qGbbZmaEoKaan7s LENSES :CLASS 10 : CBSE & ICSE : CONVEX AND CONCAVE LENS: Characteristic of IMAGE :REFRACTION: kzbin.info/www/bejne/lWWkmpeNotdsndE How To Use LENS MAKER FORMULA : Sign Convention and LENS NUMERICALS: Class X :ICSE /CBSE PHYSICS kzbin.info/www/bejne/hpvMhXVvmqasntE How to Solve Lens Numericals | Lens Maker's Formula | SIgn Convention in Lenses| 10 CBSE / 10 ICSE kzbin.info/www/bejne/q4aVZ3prbtmhgbc DISPERSION & SPECTRUM of LIGHT : CLASS X , XII : ICSE / ISC/CBSE kzbin.info/www/bejne/kKfWgoiBrq97o7c 10 ICSE : Physics chapter 4 : Refraction at Plane Surfaces : Imporatnt Compilation kzbin.info/www/bejne/hnqxnXqFgKtsgs0

[@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.....

[@angelarisha991]

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

[@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

[@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

[@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....

[@naveenpattihal5441]

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

[@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

[@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

[@janvikumari_it_1122]

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

[@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🤗

[@jyotsnamukhare4758]

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

[@10EHarkeeratSingh]

Excellent teaching, good for quick revision 👏👏👍🏻

[@Hitesh_678]

Anyone frm 2025 batch??

[@pratyushsharan7887]

Me

[@notganer6043]

Mee 2

[@abcxyz7673]

Yaa

[@378bshloksrivastava4]

Me

[@JaysinghChouhan-g1v]

I am here bro!!!!🙋🏻‍♀️😂

[@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!!!😘😘😘👍👌👌

[@patidar74]

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

[@phantomroy7730]

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

[@crafty8731]

Anyone from 2024 boards

[@AdityaGarg7]

😢me

[@vinaytiwari1295]

Yes

[@cyberff2493]

Yup

[@gauravlakhansinh7119]

Me😢

[@ssshorts40103]

Haa too

[@yoyoshauryasingh4147]

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

[@PoonamSharma-dp3sr]

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

[@Tripathigamerandfitness-01]

Hi

[@swagatsamantaray4089]

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

[@rajendrapainuly8705]

Tution chodo or padho Physicswallah se

[@skraaakash3324]

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

[@armanthakur699]

😁😁😁

[@smitaparashar9227]

Nice class with crystal clear teaching...👍

[@maheswardash2983]

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

[@officialshortsmaster31]

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

[@10focused_]

Thank you for existing alakh sir!!!❤

[@AdityaSingh-tq8ej]

You r the best teacher of world

[@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

[@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 !!!

[@hrishitaghosh3227]

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

[@hova6642]

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

[@syedaizhar7624]

Thank you so much😊 It helped me a lot👍

[@chnrzero07]

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

[@kaif8103]

Thanks u so much “SIR"

[@umam.n8818]

Dude ur PUBGM id

[@ErenMC_]

Why in double inverted comma?

[@___Unknown_artist_1225]

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

[@yousufuddin2798]

God bless you sir

[@Harshvardhan-zk6oi]

Best physics teacher I ever seen 😊😊 Best teacher

[@meenukamboj6710]

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

[@nihalrajpoot790]

love you 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

[@dearzindagi14326]

Your teaching way is tooo good sir

[@SRT__888]

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

[@Sakshii_krsnadasi]

Thankyou so much sir 💛

[@MaheshJawale31]

Congratulations sit before reaching 1 Million suscriber

[@theabhiram1639]

Mahesh Jawale he has hit 3 mil

[@aryansingh3642]

@@theabhiram1639 see when he commented

[@shreyash2210]

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

[@venomgamingyt469]

Sahi kaha

[@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?

[@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❤🫡

[@Mell0whiwashere]

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

[@shivamdandriyal2108]

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

[@rhizopu7804]

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

[@Shivamyadav_vlogs_786]

Sir aap bahut accha padhaate hai thnx sir 🙏🙏

[@nilimadubey7488]

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

[@suchetamishra1346]

Why r u pursing right now

[@abdulwajid6677]

Aap jaisa concept koi clear nahi kar sakta..

[@anushkasingh016]

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

[@suchetamishra1346]

What are u pursing right now

[@gollavilliapparao-u2l]

Thanku for how the symbols takes in the formula

[@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

[@shashikantpatil6797]

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

[@termgaming6009]

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

[@ranga2290]

Thank you so much brother for explaining it is really very useful for me....

[@Thelifeofheart6]

Sir you are the great teacher

[@thenewsunshine1795]

Literally best teacher ever.

[@sarojrathore183]

Excellent sir

[@sakshamnaugai4609]

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

[@himanshujoshi6162]

Sir mirror formula par bhi video bana dijiye

[@swatirani9257]

A vedio is already there for it

[@aimgammer4016]

🤦‍♀️

[@Jyoti_kohli__]

Bhai sahi mein kya gajab padate he😮

[@adarshkanojia4192]

types of reaction kaise pta lagayee pls make viedos and tricks to find

[@atinchauhan8762]

Best teacher in the world plz make videos of maths 10 chapter 7

[@ankitagarwal707]

Thank you sir i am having test in my school today

[@ekeshtanti4036]

Thank you sir God bless you sir

[@omdubey9402]

You forgot one thing sir ...in the case of convex lens when object is placed between principal focus and optical centre then focal length is taken negative..

[@rahulrajpoot4840]

Comment krte bdi khushi h ki actual m concept smjhaya ki kaise +, - lena h .. thanks sir to clear my doubts in mirror also

[@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

[@leelakujur3511]

Best teacher in the whole galaxy🌎

[@invinciblebgmi5978]

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

[@aryannnyay9049]

10:3*

[@kaviparekh6071]

Man u r toooo gooood God bless you Pl. Keep it up

[@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 :)

[@babaraochavhan4501]

Thank you so much sir for this video👏🤞🏻👏

[@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.....

[@mamathascreativeideasandfo6970]

Your teaching is fab🤩🤩🤩

[@Fitnesswithrish]

Dhanyawad sir 🙏🙏

[@vinaykumarsharma6431]

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

[@tanishkagrawal2422]

sir make a video on board exam tips for class 10

[@MTR1000]

Sir you are brilliant teacher 😄😄😄😄😍😍

[@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..

[@shivnathbanka5108]

Thnx very much sir Because of u My physics marks have incresed vry much Thnx thnx Sir Plz continue to make more n more

[@PhysicsWallah]

bus yahi to aim h mera

[@swatibhardwaj9039]

I have one question in work energy in the comments section of that video can u plz answer that

[@amaanqureshi2198]

Shivnath Banka l

[@hindimoviesworld3513]

@@PhysicsWallah luv from pakistan bro.

[@SubhanshiVerma-g3w]

Sir you are super se bhi upper 😊

[@dlnitish007]

Anybody else who is watching in 2024

[@kiransinghrathore67]

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

[@smoothabhiyt1241]

Attendence lagao 2023-2024 😅😂

[@knpandey9908]

Thanks sir realy great way of teaching

[@mithileshrana6955]

Sir aapke jaisa physics Wala koi nhi 🗾

[@munnajacksonstar199]

Sir koi bhi aesa concept nahi Jo clear n hua ho thank you very much sir😀😀

[@rohitsingh-cd9jf]

Easy question

[@lalbabu6421]

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

[@adityadwivedi8876]

SIR PLEASE TELL ME THAT THE SIZE OF OBJECT AND THE HEIGHT OF OBJECT ARE SAME...... @Alakhpandey

[@arvindsingh.1387]

Same

[@ANY-sp7xz]

Thanku so much sir 😊😊

[@palaksurana2314]

I used to hate physics like anything ...thanks a lot sir for making me like this subject..

[@suchetamishra1346]

What are u pursing right now

[@mcklofimaker6125]

Jab tak tum mere sath ho mujhe fail karna vala Koi paida nhi hau🙏. A lot of Thanks sir. U make the study easier.