Focal length of a convex lans

Рет қаралды 56,004

H C VERMA

10 ай бұрын

Why the focal length of a convex lens is always taken as positive? A student asks.

Пікірлер: 190

@xikhyadikhya3948 10 ай бұрын

Wish u a very happy teacher's day....I m also a physics teacher... I learn a lot from u... Thnks for ur greatest contribution towards the field of physics.... I pray for ur gud health...

@aakarshanand6063 10 ай бұрын

I'm in University but I still watch sir's videos , they still make you feel amazed by the way he teaches

@akshitanshupriyam4021 10 ай бұрын

Ya right 👍

@aryendrasinghparihar6940 10 ай бұрын

A very delightful Teacher’s Day to you, sir! Your guidance and care have been a treasure to me. Please continue supporting today’s readers, who are tomorrow’s leaders.

@asishkumarghoshdastidar1409 10 ай бұрын

Namaste 🙏 sir. I am retired govt officer but I am still learning from your virtual classes. Wish you a long life with good health 🙏.

@dhananjaysharrma10d2 10 ай бұрын

Happy Teacher's Day Sir! I'm not a physical student of yours, but when I read your book Concepts of Physics, it's like you're there explaining us the concept and asking us the questions from the back exercises. Thank you sir!

@quahntasy 10 ай бұрын

*Best physicist and teach in India.* Happy teachers day Hit like if you agree

@AnkitKumar-bl5hl 10 ай бұрын

HAPPY TEACHERS DAY GURUJI ...... BHAGVAN KARE KI AAP SALOO TAK ESE HI SAB KO PADHATE RAHE .... I AM AMAN NAEST 2022 SEMIFINALIST . THANKS FOR SUCH GREAT GREAT TEACHING ILLUSTRATIONS ..

@ashwinikumar1204 10 ай бұрын

Happy teacher's day to you sir.. You are the best teacher for all of us.. Many many thank you sir for providing such type of small hidden concept..

@Manichandrakar-ii1fs 10 ай бұрын

Happy teacher's day sir🙏. Aap physics ke field ke greatest teacher ho world me .Mai ek medical entrance exam ki preparation kar raha hu but Mai aage bhi physics se juda rahunga aap jaise teachers ki waah se jinhone physics ki khubsurati dikhayi

@vectoranonymous4908 10 ай бұрын

पद्म श्री से सम्मानित गुरु हरिशचंद्र वर्मा जी को शिक्षक दिवस पर सादर प्रणाम 🙏❤

@vectoracademy 10 ай бұрын

As usual the best one....pranam Guruji ko🙏🙏

@raghav3900 10 ай бұрын

Happy teacher's day sir Salute to your dedication and passion for teaching. Thank you so much sir for everything.

@aryendrasinghparihar6940 10 ай бұрын

Excellent explanation i also had the same now it got resolved Happy teacher day to my best teacher ….

@sunitkumarshortvlogs 10 ай бұрын

Happy teacher's day,,respected and beloved hcv sir❤❤❤❤❤love from jharkhand ranchi.. Inspiration...i am remembering those moments when I had met u in our university dspmu, ranchi,, in may 10,11..love u sir

@radhe_radhe__sabko 10 ай бұрын

Happy teacher's day sir u r really best teacher of physics ♥️🙏🏻

@pranjalupreti5633 10 ай бұрын

Happy teachers day sir.... Aap hamare guru h ye hamara sobhagya h aap mere aur kaie logo k man m physics k prati pyar lane ka karan h m aap ka hamesa dhanyavaad karta hu.... Aur m vada karta hu m bhi physics k field m jaunga aur aap ka nam rosan karunga Thanks a lot for knowledge sir...... 🙏🙏🙏🙏🙏🙏🥰🥰🥰🥰🥰..... Lots of love from your student Pranjal

@samarjitdas6378 10 ай бұрын

Happy Teacher's Day Sir 🙏 thanks for bettering the world with your knowledge

@NiharTripathy_Dew_Lord 10 ай бұрын

Sir, You're the bedrock of physics education. Wish you a delighted Teachers'Day. 🙏

@subhamavparmy 10 ай бұрын

Happy Teacher's Day sir ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤ Proud to be an Electrical Engineering student to see your lecture

@sudeshkumar3274 10 ай бұрын

Happy teacher’s day sir. God bless you good health and happiness.

@BM-ti5vq 10 ай бұрын

Happy Teachers Day Sir... You are the best teacher sir ❤❤❤

@Monojeetroy04 10 ай бұрын

Such a great teacher ❤❤

@JeeAspirant-fx7kk 10 ай бұрын

Happy teacher's day Sir! We love you ❤😊

@madhavdua1246 10 ай бұрын

Hare Krishna 😇🙏 Thankyou so much for the explanation Sir 😇🙏 Happy Teachers' Day

@swizzbeats1212 10 ай бұрын

Amazing.

@AashiyaSaifi-zc6dr 10 ай бұрын

Amazing Pearson whose feel the physics and way of he teach that is mourvouless😮😯😌🙄🙂☺😊☺😁😀😊🤗

@bindhyachalgupta5571 10 ай бұрын

Great teacher of India !!

@RohanDhandr8 10 ай бұрын

Happy Teacher's Day गुरुजी🙏🙏

@soumitrasen8005 10 ай бұрын

"Yeh f nehi badal ne wala hai" , aap jaise koi aur v nehi mil ne wala hai. ❤

@divyarai2220 10 ай бұрын

I like ur teaching method sir🙏

@akshitanshupriyam4021 10 ай бұрын

Wishing you a very happy teacher's day sir ,pranam🙏 Sir, I am waiting for your new course.

@RUDRA_DEV_JHA 10 ай бұрын

A very very happy Teacher's day Sir ji ❤

@theKZone2024 10 ай бұрын

you are so great sir

@abhinaymaths956 10 ай бұрын

Thank you sir best explanation

@Improve_Physics 10 ай бұрын

I'm an physics Faculty... Your Book HCV is like GEETA for us

@atanurakshit6684 10 ай бұрын

Very nice sir . 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

@ArtiY7 10 ай бұрын

Wish u a very happy teacher's day sir 💐🙏

@Shayam90990 10 ай бұрын

Happy teacher's day sir you are always my fev teacher sir ❤

@vaishnavisoni4106 10 ай бұрын

Thankyou sir🙏🏻

@AyushKumar-db5jm 10 ай бұрын

Happy Teacher's Day Guru jii 🛐❤️

@abhisheksoni9774 10 ай бұрын

Happy Teachers' Day Prof. HC Verma ❤😊

@dhruvchaudhary3448 10 ай бұрын

Happy teachers' day, sir.🎉🎉🎉...i am comming kanpur very soon to meet you...❤❤

@GAURAVGUPTA-xw1xf 10 ай бұрын

Happy Teacher's Day Sir!!🙏✨

@sanadgupta2012 10 ай бұрын

Happy Teacher's Day sir..🎂🎂🥳🥳

@Ram0638 10 ай бұрын

Happy teacher's Day ❤ ,, Sir Please Concept of physics volume 2 , Hindi me Published kar Dijiye... ❤❤

@HarshitRaj-id9bc 5 ай бұрын

Best Physics Teacher 🫶❤️

@ankush..pandey 10 ай бұрын

wish you a very happy teacher's day i am also from bihar

@prasunsar567 10 ай бұрын

Sir , Happy Teacher's Day ... Pronam ... 🙏🙏🙏 ... Sir , next course please

@MGVMATH 10 ай бұрын

Love you sir jee 🙏🙏🙏🙏

@surendrakverma555 10 ай бұрын

Thanks Sir

@theKZone2024 10 ай бұрын

Happy teacher's day sir for you

@riyaupadhyay6001 10 ай бұрын

Happy teacher's day sir 🙏🏻😊

@anilsinha5029 10 ай бұрын

Guru ji👏👏👏

@saptadipchakraborty747 10 ай бұрын

Happy Teachers'Day sir 🙏🙏

@srijansingh9947 10 ай бұрын

Always have great respect for sir hc verma ❤

@anubhavarora3282 10 ай бұрын

Sir please make a video on derivation of surface tension in a curvature having two spherical surfaces(i.e T(1/r1+ 1/r2)).

@kashyapdivyanshu 10 ай бұрын

Happy teacher's day sir❤

@eyemmohini 10 ай бұрын

Happy Teachers Day Sir 🙏

@homekitchen2964 10 ай бұрын

Happy teacher's day sir 🎉😊

@asangappakotagi8577 10 ай бұрын

Happy TEACHER'S day sir❤

@ashutoshpandey3581 10 ай бұрын

Sir i have a question. Why we take -v as image distance in human aye calculation

@grippie0504 10 ай бұрын

Happy teacher's day sir🙏🏻

@pranabbarman9763 10 ай бұрын

Happy teacher's day sir🙏

@deepsamanta266 10 ай бұрын

Happy teachers'day sir

@07pie 10 ай бұрын

Happy teacher's day sir 🙏♥️

@gautamthakur9164 10 ай бұрын

Happy Teacher's Day sir.

@vishaldhanorkar2339 10 ай бұрын

Huge Respect for Verma sir ☺️🙏

@deepanshuarya02 10 ай бұрын

Happy teachers day sir ji🎉

@shambhavi2824 10 ай бұрын

Only a true genius has hair like this....

@SubhaBera-fy4qc 10 ай бұрын

Best ❤

@divyha1604 10 ай бұрын

wish you a very happy teachers day sir

@romilpatel4451 10 ай бұрын

Hi sir I found many definitions of standing wave such as when energy moves in a loop then this wave is formed , when two identical waves come in opposite directions and they superimpose ,etc Can you explain what is the real definition of standing wave ??

@sachinrajpandey5242 10 ай бұрын

Please start online course like earlier Sir . Thank you Sir.

@CodingAt14 10 ай бұрын

Why we should take both lena in perbiopic eye

@sayanmukherjee8123 10 ай бұрын

Happy teachers day sir ❤

@AshishKumar-pg9hi 9 ай бұрын

We take f as +ve in convex lens because the rule of sign convention state object should place left to the lens

@aayurane3939 2 ай бұрын

But in concave lens we take f to be negative, then how??

@Dance.withAyush 10 ай бұрын

Happy Teachers Day Sir❤

@halfheadcrusher4302 10 ай бұрын

Happy Teacher's Day Sir

@Alan-yz1en 10 ай бұрын

Happy teacher's day sir 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻

@harshhridaynarayan508 10 ай бұрын

Sir please upload vedios continuously. please.

@priyasingh6670 10 ай бұрын

Happy teacher's day Sir

@SaurabhKumar-nq7py 10 ай бұрын

Happy techer day sir ♥️♥️♥️♥️🎉🎉🎉🎉🥰🥰

@Its_GtG 10 ай бұрын

Happy Teacher's day sir

@sparsh6019 10 ай бұрын

A very happy teachers' day गुरुजी It may be not wrong to say you as "The God Of Physics in India" Pranam 🙏🏼🙏🏼🙏🏼

@harshjaiswal7821 10 ай бұрын

HCV Sir is definitely God of Physics in India 😊

@radhe_radhe__sabko 10 ай бұрын

@@harshjaiswal7821yes

@AdityaKumar-lf6sz 10 ай бұрын

How we move any charge from low potential to high potential please sir understand me

@Ydv_Mitin 10 ай бұрын

Happy teacher's day sir🎉

@dileeppatel8313 10 ай бұрын

Happy teacher's day Sir 🎉🎂🎂

@LakhanJha-tz8fc 10 ай бұрын

Happy teacher day sar

@mann0312 10 ай бұрын

sir i think only you can answer my question exactly what happen between two charges which causes a force between them

@sachinrajpandey5242 10 ай бұрын

then why in diverging lens f is taken as negative, there also, I think, we take rays parallel to principal axis. Please explain Sir.

@physicsshah342 10 ай бұрын

Good noon sir. I watch your lecture. Sir how can we draw the focus of any lens may be concave or convex. There is any method or not to draw focus or just we assume it. Please explain it. Thank you very much

@its_seth_khan 10 ай бұрын

Sir how to solve physics electricity numerical please explain sir

@chandansaha3765 10 ай бұрын

sir, my name is soumik saha, mara doubt hai, light ko le kar, light wave hai yea particle, issac newton ne kaha tha ki light particle hai, higens ne kaha tha ki light wave hai, jab light ka gati mapna mumkin hua, tab a sabit ho gaya tha ki light wave he hai. lakin bat ma Einstein ne photo electron effect ko explain karte hua e man lia tha ki light particle he hai. isa lia e doubt avi tak clear nehe hua ki light particle hai yea wave hai?? , please sir give me my answer. please sir.