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. ========================================================= For PDF Notes and best Assignments visit @ physicswallahalakhpandey.com/ Follow us on: Instagram instagram.com/physicswallah/ Facebook: facebook.com/physicswallah =========================================================== 12th Chapter 9 : Ray Optics 01 : Introduction & Reflection in a Plane Mirror JEE /NEET ruclips.net/video/_nGZGo4gHGo/видео.html Ray Optics 02 : Number of Images formeed by Two Plane Mirrors JEE/NEET ruclips.net/video/xLMFyXXUfTs/видео.html Ray Optics 03 : Velocity in Plane Mirror - Velocity of Object & Velocity of Image JEE/NEET ruclips.net/video/-zjwlf1sPtQ/видео.html Ray Optics 04 : Spherical Mirrors: Introduction :Focus ,Focal Length & Focal Plane - Sign Convention ruclips.net/video/NdJEdh3xC2Y/видео.html Ray Optics 05 : Image Formation by Concave & Convex Mirror for Different Position of Object JEE/NEET ruclips.net/video/iEMPrqdGPMU/видео.html Ray Optics 06 : Mirror's Formula -Derivation for Concave & Convex Mirror +Basic Numericals + Concept ruclips.net/video/bSxWxqfhIYE/видео.html Ray Optics 07 : Magnification - Magnification & Mirror's Formula Best Numericals JEE/NEET ruclips.net/video/P2pLDPj-DWk/видео.html Ray Optics 08 : Combination Of Mirrors - Concept of Virtual Object JEE /NEET ruclips.net/video/GLBzqqpcRF4/видео.html Ray Optics 09 : Velocity in Spherical Mirrors - Velocity Of Object & Velocity Of Image JEE/NEET ruclips.net/video/IHL0rxbPWJo/видео.html Ray Optics 10 : Refraction Of Light : Snell's Law & Refractive Index JEE/NEET ruclips.net/video/VimYgbSw28g/видео.html Ray Optics 11 : Real Depth and Apparent Depth - Complete Concept with Best Numericals JEE/NEET ruclips.net/video/rUi_chxd_qE/видео.html Ray Optics 12 : Refraction - Shift through a Glass Slab : JEE/NEET ruclips.net/video/18DZxFMlNqE/видео.html Ray Optics 13 : Critical Angle and Total Internal Reflection - TIR - JEE/NEET ruclips.net/video/GIv3PN9vcR8/видео.html Ray Optics 14 : Refraction through Prism : Concept , Numericals & Minimum Deviation Case JEE/NEET ruclips.net/video/DnC5-gM81qc/видео.html Ray Optics 15 : Refraction from Spherical Surfaces - Formula - Derivation and Numericals JEE/NEET ruclips.net/video/SZm0KLuRpKI/видео.html Ray Optics 16 : Lens - Introduction : It's Types , Optical Centre , Focus , Focal Length JEE/NEET ruclips.net/video/-K9yueGZ5pI/видео.html Ray Optics 17 :Image Formation By Convex and Concave Lens for different Positions of Object JEE/NEET ruclips.net/video/jJB4roc5n2E/видео.html Ray Optics 18 : Lens Maker's Formula - Derivtion and All Types of Numericals JEE/NEET ruclips.net/video/KYHt5Dxza5Y/видео.html Ray Optics 19 : Magnification - Magnification & Len's Formula with Best Numericals JEE/NEET ruclips.net/video/_E_6EcA6Kr4/видео.html Ray Optics 20 : Combination of thin lenses in Contact II Cutting Of Lenses II Power - JEE/NEET ruclips.net/video/8i1_zA336Pc/видео.html Ray Optics 21 : Silvering Of One Surface Of Lens - Silvered Lens JEE/NEET ruclips.net/video/3eX52D-7G80/видео.html Ray Optics 22 : Microscope - Simple Microscope & Compound Microscope - JEE/NEET ruclips.net/video/-QIximwdKYI/видео.html Ray Optics 23 : Telescope - Refracting Telescope & Reflecting Telescope JEE/NEET ruclips.net/video/n8nCGAg3AuU/видео.html
Sir ji question no. 4 mein wrong(jo aapne kaha tha ki yeh formula valid nhi h iss question ke liye) formula PR bhi shi answer aa gya tha mera😅😅😂 BTW : CONCEPT=SMJH AAGYA
@@rajdeepsinghyadav9032 in this case that formula is valid when point size particle is on principal axis otherwise you have to use the method told by sir @Physics Wallah
It's incredible how teachers just make us understand everything in such a simplified way. Throughout the journey they support us no matter what. Just want to say thank you to alakh sir and all those teachers who are working just for us.
you can use the both formula if object is lie on the principle axis but you can not use the 2nd formula if object is above oe below the principle axis and 1st formula is valid always because in its derivation we assume focal length is constant i hope this would be helpful
@@surajkumar-oq8mh but In formula ...focal length is not differentiated for calculating velocity of object at angle theta 🤔🤔......is it taken constant??
Sir someone is using your content for their own benefits through an unofficial app in play store and might be making much money through you without your permission by showing advertisement.. you do work soooo hard for your students and then someone appears who is making money which does not count for them.... I hope you would read it and take some serious action against it... Ps: please like this comment so that it can be seen by our sir!!!! Please
I am from village Nisda ....... Kya kbhi koi. suna hi isk bare me.... Yaha 12 the to school to h.... But no teachers in school nor coaching classes....there is only physics wallah....... Thanking you 😎
Student really need a good teacher not the ones to complete the modules and packages but really making students understand the subject matter n thats what I really found in you. Thanks a lot Sir #BHARGAB_BARUAH
Sir am from South India, i am an Aakashian but I STILL FOLLOW YOUR VIDEOS they help me alot This comment is because I wanted to tell you that many people out there are really VERY VERY "JEALOUS" of you sir...... This tells how FAMOUS your lectures have become and they are helping many students out here....... Even at Aakash, atleast 3 STUDENTS OUT OF EVERY 20 STUDENTS follow your lectures sir........ A thank you is never enough for your great service..... THE GLORY OF A PERSON INCREASES WITH THE OBSTACLES THEY OVERCOME in the same way you are a LONE WOLF sir literally many lecturers are JEALOUS of your teachings that tells how great you really are sir......We really salute your Service................................
Sir jab tak aap padha rahe ho tab tak physics ki no tension . Sir kewal aap ka hi smj aata h puri duniya m kisi ki bhi physics samaj nahi aati ...... Jab tak aap ka saath neet ki bhi physics ho jayegi..... Thankyou sir very much ......
sir,you are the great teacher in this world,even you are great than those who are teaching in allen or akash institute as they are teaching by taking too much money but you are sharing your knowledge to every student without any cost.HEARTLY THANKS FOR UR THIS GREAT WORK.
at 51:50 i think the previous formula(velocity in y direction) is also correct because the image at that instant is on pricipal axis, making the 2 differential terms out of 4, zero and leading to previous formula for velocity of image in y direction......This differential formula can be useful if object is away from the principal axis 👍👍 if u like the way i think....... Cheers!!!!!!!
**SERIOUS DOUBT ALERT !! ⚠️⚠️** Sir Case 3 me, ( 52:12 ) me jab Velocity along Y axis direct formula se nikali tabh bhi -6 cm/s hi aa rahi thi ? Esa kese ??
Dekho bhaijaan actually kya hua Sir zo case assume kiye hai usme sir point object use kiye hai jisme sir ko point image mila .. but amazing thing is yeh dono he principal axis meh lie kar rahe hai so height of object aur height of image 0 ho gaya .... But Agar object above principal axis rehta ya fir extended object hota then sir wala method he applicable hota. :)
@@plazmachazer8023 to bhai isse vo cheez kaise explain hui? question hamlogo ka h ki, jab along-y ke formula se karr rahe h tab bhi -6 cm/s hi answer aaraha h
Hi sir. I am a class 12 student. Ray optics was not taught properly in our college. Your lectures helped me extremely well. Hearty thanks to you sir. May your lectures bring smile on many other students also😊😇
Me - taking out my copy and pen 15:26 - Aditi has de has de has de tu jara me - WHAATTTTTTT??????(Surprised) 19:20 - so Aditi is sir's sister I was surprised that how does sir know that I am Aditi...lol
Kamre ke andar ghus jao , jabaaye ho ghar me tumhare guest , kamre ke andar ghus jao jab ghar me tumhare aaye ho guest , all the vary best-😌😌😌. Alakh sir❤️❤️🙏🙏. maine bhi follow kar li ye hai bat , zindagi khushal ho gai 😁😁.🙏🙏
Mera Guru mera Raab ❤️ Kaun kaun es lecture ke phele 4 cases dekh kaar without numericals dekhe ye soch kr ki next lecture ko dekhr fir araam se Iske numericals dekhu gha ?😂 Shukria guru g 🙏🌹❤️🙇🌸🧿
52:00 Formula for velocity of image on y-axis is also valid. Velocity of image= -(V/U) velocity of object So, V= -(-600/-300) × 3 =-(2) × 3 =-6 cm/s Thank you..
thanku very much ALAKH SIR.....because of you i could understand all the concepts that you teach you are real hero.....THANKUUUUUUUUU..........VVVVVVVVVEEEEEERRRRRRYYY MMMUUUUUCCCCHH from heart.
Sir very very thanks Aapki vajah se hi hm lockdown me bhi physics padh paye or aapke padhane tarike se to love hi ho gaya he sir You are great sir Love you alakh sir 😭😭
In the question at 52:36, the method sir adopted.. gave same answer that would have come if we would have considered 'v' and 'u' as constant because sir asumed the case when object was about to start (t=0). At that time 'v' and 'u' can be considered as constants ,, so the formula Vi = -(v/u) Vo is applicable there also :)
Hello...Alakh sir...aap itna accha padhate ho sir... thank u sir...hum aapki bahot respect karte hain sir....jab bhi physics ki baat ati thi toh pehle dar lagta tha sir...lekin jab aap kehte hain ki daro mat problem solve ho jayega toh...hum such me problems kar pate hain thank u sir.....😊😊
sir u are great aap hmare samne nhi ho pr bhi hume puri thra jante ho mene sach m phele wale case m heading skip krr diya tha lakin jb aapne bad m bola to ek dam phele heading likha sir aap kitna ache se jatne ho aapne students ko
Greetings dear sir, @ 51:32 the same result is obtained by using the formula for constant horizontal velocity.Did that happened fortunately or is the formula actually valid for the condition, kindly explain.
ITNA ACHE SE YE TOPIC MERE COACHING KE TEACHER NE BHI NHI PADAYA SIR!! THANKYOU SOO MUCH !!! AND CONGRATULATIONS ON GETTING 3.04M SUBSCRIBERS!! MAY YOUR SUCCESS CURVE ALWAYS INCEARSE !!
Hello there.... At 52:15 the solution is same when we use the formula----> Vi = -(v/u) Vo ! Then why did sir say ki, if we use this formula, answer will be wrong?
Bro this the first video I watched in your channel . Your teaching is excellent bro. You can carry on this bro. Amazing teaching bro.thank you for your teaching bro.
Sir in case 3,we can get it without product differentiation also by the formula of finding velocity along y-axis and x-axis then finding their magnitude will get us to the answer. Thank you
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52:00 sir here if we are considering the condition at instant we can use same formulary cause you don't change the image distance.. with time the thing is same .. isn't it ?
amaZing session sir, really me kati feel aa gai...... YOU ARE THE BEST TEACHER COMPARABLE TO GOD love you love you love you love you love you, sir...FOREVER
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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.
=========================================================
For PDF Notes and best Assignments visit @ physicswallahalakhpandey.com/
Follow us on: Instagram instagram.com/physicswallah/
Facebook: facebook.com/physicswallah
===========================================================
12th Chapter 9 : Ray Optics 01 : Introduction & Reflection in a Plane Mirror JEE /NEET
ruclips.net/video/_nGZGo4gHGo/видео.html
Ray Optics 02 : Number of Images formeed by Two Plane Mirrors JEE/NEET
ruclips.net/video/xLMFyXXUfTs/видео.html
Ray Optics 03 : Velocity in Plane Mirror - Velocity of Object & Velocity of Image JEE/NEET
ruclips.net/video/-zjwlf1sPtQ/видео.html
Ray Optics 04 : Spherical Mirrors: Introduction :Focus ,Focal Length & Focal Plane - Sign Convention
ruclips.net/video/NdJEdh3xC2Y/видео.html
Ray Optics 05 : Image Formation by Concave & Convex Mirror for Different Position of Object JEE/NEET
ruclips.net/video/iEMPrqdGPMU/видео.html
Ray Optics 06 : Mirror's Formula -Derivation for Concave & Convex Mirror +Basic Numericals + Concept
ruclips.net/video/bSxWxqfhIYE/видео.html
Ray Optics 07 : Magnification - Magnification & Mirror's Formula Best Numericals JEE/NEET
ruclips.net/video/P2pLDPj-DWk/видео.html
Ray Optics 08 : Combination Of Mirrors - Concept of Virtual Object JEE /NEET
ruclips.net/video/GLBzqqpcRF4/видео.html
Ray Optics 09 : Velocity in Spherical Mirrors - Velocity Of Object & Velocity Of Image JEE/NEET
ruclips.net/video/IHL0rxbPWJo/видео.html
Ray Optics 10 : Refraction Of Light : Snell's Law & Refractive Index JEE/NEET
ruclips.net/video/VimYgbSw28g/видео.html
Ray Optics 11 : Real Depth and Apparent Depth - Complete Concept with Best Numericals JEE/NEET
ruclips.net/video/rUi_chxd_qE/видео.html
Ray Optics 12 : Refraction - Shift through a Glass Slab : JEE/NEET
ruclips.net/video/18DZxFMlNqE/видео.html
Ray Optics 13 : Critical Angle and Total Internal Reflection - TIR - JEE/NEET
ruclips.net/video/GIv3PN9vcR8/видео.html
Ray Optics 14 : Refraction through Prism : Concept , Numericals & Minimum Deviation Case JEE/NEET
ruclips.net/video/DnC5-gM81qc/видео.html
Ray Optics 15 : Refraction from Spherical Surfaces - Formula - Derivation and Numericals JEE/NEET
ruclips.net/video/SZm0KLuRpKI/видео.html
Ray Optics 16 : Lens - Introduction : It's Types , Optical Centre , Focus , Focal Length JEE/NEET
ruclips.net/video/-K9yueGZ5pI/видео.html
Ray Optics 17 :Image Formation By Convex and Concave Lens for different Positions of Object JEE/NEET
ruclips.net/video/jJB4roc5n2E/видео.html
Ray Optics 18 : Lens Maker's Formula - Derivtion and All Types of Numericals JEE/NEET
ruclips.net/video/KYHt5Dxza5Y/видео.html
Ray Optics 19 : Magnification - Magnification & Len's Formula with Best Numericals JEE/NEET
ruclips.net/video/_E_6EcA6Kr4/видео.html
Ray Optics 20 : Combination of thin lenses in Contact II Cutting Of Lenses II Power - JEE/NEET
ruclips.net/video/8i1_zA336Pc/видео.html
Ray Optics 21 : Silvering Of One Surface Of Lens - Silvered Lens JEE/NEET
ruclips.net/video/3eX52D-7G80/видео.html
Ray Optics 22 : Microscope - Simple Microscope & Compound Microscope - JEE/NEET
ruclips.net/video/-QIximwdKYI/видео.html
Ray Optics 23 : Telescope - Refracting Telescope & Reflecting Telescope JEE/NEET
ruclips.net/video/n8nCGAg3AuU/видео.html
Sir ji question no. 4 mein wrong(jo aapne kaha tha ki yeh formula valid nhi h iss question ke liye) formula PR bhi shi answer aa gya tha mera😅😅😂
BTW : CONCEPT=SMJH AAGYA
Sir website shuru nahi ho rahi hai
sir website nahi khul raha hai
@@rajdeepsinghyadav9032 in this case that formula is valid when point size particle is on principal axis otherwise you have to use the method told by sir @Physics Wallah
sir i got correct ans inspite of using wrong formula
plz...... check how's this possible
Download PDF Notes soon @ physicswallahalakhpandey.com/class-xii/physics-xii/09-ray-optics/
I love you sir... Aj kal apka video kam hi rha hai sir... Kyun sir
Physics Wallah - Alakh Pandey thank you sir
Sir please reply me
Sir chy bhaiya pe thora dhyn dijie
Very thank 🙏💕 you sir
Case 1 - 5:30
Case 2-25:53
Case 3-38:55
Case 4-53:20
Enjoy the lecture 😊
Thanks bro
@@08ajayk welcome
Thanks bhaiya
Thank you bro
Thanks
It's incredible how teachers just make us understand everything in such a simplified way. Throughout the journey they support us no matter what.
Just want to say thank you to alakh sir and all those teachers who are working just for us.
No. 1 teacher of India.
#PhysicsWallahNo.1
Keep it up sir
Sir in question 4 answer 52:00 would be the same for Vi = -6 cm/s. But I did it using the concept that u told because it's not always true. Thanks
yupp bro
you can use the both formula if object is lie on the principle axis
but you can not use the 2nd formula if object is above oe below the principle axis
and 1st formula is valid always because in its derivation we assume focal length is constant
i hope this would be helpful
Ha ,,, mera bhi yahi aaye ,,
Ha me also
@@surajkumar-oq8mh but In formula ...focal length is not differentiated for calculating velocity of object at angle theta 🤔🤔......is it taken constant??
No educational institutions is provided quality education as alakh sir...he is just awesome 👌
he is god teacher for those students who cannot afford any coaching like me
Sir someone is using your content for their own benefits through an unofficial app in play store and might be making much money through you without your permission by showing advertisement.. you do work soooo hard for your students and then someone appears who is making money which does not count for them.... I hope you would read it and take some serious action against it...
Ps: please like this comment so that it can be seen by our sir!!!!
Please
Bhai tu app ka naam bata
App ka naam bata
Yes give the name of the app
yes i also saw it on playstore but he has clearly mentioned unofficial in the description
It's name is - physics wallah but it has mentioned that it is unofficial
I am from village Nisda .......
Kya kbhi koi. suna hi isk bare me.... Yaha 12 the to school to h.... But no teachers in school nor coaching classes....there is only physics wallah.......
Thanking you 😎
3:37 - Velocity of image in plane mirror
5:40 - Cases of velocity in spherical mirrors
15:10
19:26
24:45
34:24
37:22
47:52
52:04
1:04:26
Student really need a good teacher not the ones to complete the modules and packages but really making students understand the subject matter n thats what I really found in you. Thanks a lot Sir #BHARGAB_BARUAH
Sir am from South India, i am an Aakashian but I STILL FOLLOW YOUR VIDEOS they help me alot
This comment is because I wanted to tell you that many people out there are really VERY VERY "JEALOUS" of you sir......
This tells how FAMOUS your lectures have become and they are helping many students out here.......
Even at Aakash, atleast 3 STUDENTS OUT OF EVERY 20 STUDENTS follow your lectures sir........ A thank you is never enough for your great service..... THE GLORY OF A PERSON INCREASES WITH THE OBSTACLES THEY OVERCOME in the same way you are a LONE WOLF sir literally many lecturers are JEALOUS of your teachings that tells how great you really are sir......We really salute your Service................................
Quality always wins
I am also akashain and follow #PW
you are really kind hearted may u achieve your goal and always be successful in your life
I wanted to join a coaching after my board exams can you tell me which is a better option :Akash or allen
Please tell me bro
@@priyanshipatel3555 obviously allen
*SARE BOLO PHYSICS WALLAH SIR KI JAI...😁.*
ruclips.net/channel/UCGeocJuI1qf1S3Q2HBHhIoA?view_as=subscriber
Jay
Jay ho
Jai ho
Ek bar fir se bol alakh sir ki jai...😋😋
Accidentally I found this channel and when I found this channel at that I left the private class and I'm studying from this channel love you sir
Happieeesstttttt birthday sir....may god blesss uhhh and you live long....❤️❤️❤️❤️❤️🔥🔥🔥🔥🔥🔥loadsss of love and blessings to uhhh my ideal🎉🎉🎉
Lmao that thumbnail😂😂😂😂
Lmao means
@@sarveshrevanwar2420 LMAO means laughing my ass off
😂😂🤣
@@txdaddyff you laugh at yr ass?? 😑🥴🥴🥴
@@sameersaini1064 ask them who created this😑😑😑😑
*Aaj mujhe samajh aaya ki chuha khana matlab time waste karna* 😂😂😂😂 *Thank you sir*
N mujhe abhi🤣
Tumne try kiya tha kya😅😅😅
Ha hame bhi 😂
Hahahaha
Mujhe aapki comment se 😅😅
Sir,apke shirts ke print tags bahut intresting rhte hai!
Aaj to kuch khaas nahi tha
More interesting than ray optics?😂
Mere pass bhi yahi same t-shirt hai😂
Sir jab tak aap padha rahe ho tab tak physics ki no tension .
Sir kewal aap ka hi smj aata h puri duniya m kisi ki bhi physics samaj nahi aati ...... Jab tak aap ka saath neet ki bhi physics ho jayegi..... Thankyou sir very much ......
sir,you are the great teacher in this world,even you are great than those who are teaching in allen or akash institute as they are teaching by taking too much money but you are sharing your knowledge to every student without any cost.HEARTLY THANKS FOR UR THIS GREAT WORK.
at 51:50 i think the previous formula(velocity in y direction) is also correct because the image at that instant is on pricipal axis, making the 2 differential terms out of 4, zero and leading to previous formula for velocity of image in y direction......This differential formula can be useful if object is away from the principal axis
👍👍 if u like the way i think.......
Cheers!!!!!!!
Yup but not always
**SERIOUS DOUBT ALERT !! ⚠️⚠️**
Sir Case 3 me, ( 52:12 )
me jab Velocity along Y axis direct formula se nikali tabh bhi -6 cm/s hi aa rahi thi ?
Esa kese ??
Haa mera answer bhi Wahi aa Raha hai
Mera bhi par shayad ye co incidence ahi
Haaa same answer Iam also getting but maybe this question is coincidence case
Dekho bhaijaan actually kya hua
Sir zo case assume kiye hai usme sir point object use kiye hai jisme sir ko point image mila .. but amazing thing is yeh dono he principal axis meh lie kar rahe hai so height of object aur height of image 0 ho gaya ....
But Agar object above principal axis rehta ya fir extended object hota then sir wala method he applicable hota. :)
@@plazmachazer8023 to bhai isse vo cheez kaise explain hui?
question hamlogo ka h ki, jab along-y ke formula se karr rahe h tab bhi -6 cm/s hi answer aaraha h
Hi sir. I am a class 12 student. Ray optics was not taught properly in our college. Your lectures helped me extremely well. Hearty thanks to you sir. May your lectures bring smile on many other students also😊😇
12th me college bhi hota hai kua
@@Theadityasharma7 Hum south main coaching centres ko junior college bulate hain
In 4th Questions I've not Differentiate (-v/u) But the answer will be Same ,, How it Possible
@@NehaSingh-zp7xc yeah same here
Mirror's formula with no sign convention
For concave,
V = u.f/-u+f
For convex,
V = u.f/u+f
Now this lec completed 😍😍
Me - taking out my copy and pen
15:26 - Aditi has de has de has de tu jara
me - WHAATTTTTTT??????(Surprised)
19:20 - so Aditi is sir's sister
I was surprised that how does sir know that I am Aditi...lol
😁🤣🤣🤣
😂
Hello Alakh Sir's sister😂
@@BishanKDeka 😂😂😂
This is funny 😂😂
This lecture's thumbnail 😝😝😝
Eye catching thumbnail... Too funny😜
HIs way of teaching is magical, which goes directly to brain's hippocampus.
Physics wallah is a unick physics teacher.
unique spelling is also bit unique😂
Maza aa gaya sir ji lecture mai,
Aapke lectures evergreen rahenge🔥🔥
Bcos of you physics has become my favourite subject.....
Thank you so much Sir for this amazing explanation...
Kamre ke andar ghus jao , jabaaye ho ghar me tumhare guest , kamre ke andar ghus jao jab ghar me tumhare aaye ho guest , all the vary best-😌😌😌. Alakh sir❤️❤️🙏🙏. maine bhi follow kar li ye hai bat , zindagi khushal ho gai 😁😁.🙏🙏
Mera Guru mera Raab ❤️
Kaun kaun es lecture ke phele 4 cases dekh kaar without numericals dekhe ye soch kr ki next lecture ko dekhr fir araam se Iske numericals dekhu gha ?😂
Shukria guru g 🙏🌹❤️🙇🌸🧿
52:00
Formula for velocity of image on y-axis is also valid.
Velocity of image= -(V/U) velocity of object
So, V= -(-600/-300) × 3
=-(2) × 3
=-6 cm/s
Thank you..
Do not make misconceptions it's just a coincidence
38:37 sir's really cute expression
True
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@@spiritwalker1 pkmkb
Sahil Phogat How does it fits here??
@@spiritwalker1 ok let fit it tmkb
Who noticed that at 51:16 even by applying the case 2 formula we get the same answer
Me
Its a coincidence
AS Ho and Hi is becoming is zero ,so I think we might the normal formula, and it is comming also
Mee to -6cm/s
True
15:13 ..my name is Aditi ..sir I feel soo happy , I don't know why but still❤️..great lecture sir🔥🔥🔥😘
❤️
arent you neelam?
@@alaqmarkarampurwala3098 might be her mom
gouses
This is perfect teaching 💯
37:26 sir is actually saying --
Kya bolti public machayenge apn !!machayenge machayenge 😂😂🤣🤣
Best lecture of ray optic i heard forever
Maza aa gaya sir ji lecture mai,
Aapke lectures evergreen rahenge
Yes sir aap bahut aacha Padhate hai
Mujhe aaj tak physics aur chemistry ke itne acche sir nhi mile
Thanks sir
Last wala khud krke mja hi aa gya
Phle socha ye unusual answer kyu aa rha hai pr baad me answer dekha to mja hi gya
Old videos are gold
Your teaching style is great in this world
52:00 pe jo ques hai usmein agr velocity in Y- direction ka pehla formula b lagaye toh b same answer aa rha.
conceptually wrong though
Way better than any other online educational channel... Even unacademy pe bhi itni depth and clarity se nhi pdhaya ye topic
Th@nk u $o much $!₹ j!
pw suck
Best lecture of 12th class... Sachi me Saara padh chuka hu... Par yahi wala hamesa atak ta tha... Ajj apke lec ke baad clear ho gaya.
thanku very much ALAKH SIR.....because of you i could understand all the concepts that you teach you are real hero.....THANKUUUUUUUUU..........VVVVVVVVVEEEEEERRRRRRYYY MMMUUUUUCCCCHH from heart.
I did all the questions in one go .... Thanks to you sir ❤️🙏
15:27
all the aditis be like:aaj mai upar aasma niche!!!!! (including me)
Neet Aspirent ?
Chalia suru kartain hain 😂👍🙏
40:21 My focus became the strongest here, how can something defeat my......
Chaliye shuru krte hai 😁😁
Technical guruji
Alakh sr 😁😁😁😁
Thank you sir for this awesome question practice.
Greetings sir pl check in 50:02 min the question that we are doing Jo apne y axis ke liye formula bataaya usse bhi - 6 cm/s and aa rha hai
38:26 itna ache se jaante ho apne dear students ko aap😊🌼💫❤️
Sir you're my favourite!
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Sir very very thanks
Aapki vajah se hi hm lockdown me bhi physics padh paye or aapke padhane tarike se to love hi ho gaya he sir
You are great sir
Love you alakh sir 😭😭
Concept wallah=physics wallah 😛🥰😀
Outstanding explanation SIR thank you 😁😁
What a thumbnail 😂😂😂😂🔥
Anghute ka nakhun 😂😂
Aayla hritik ka asli naam .....
*KON KON COACHING KE BINA SIRF SIR SE PADHTA HAI INCLUDING ME*
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Me
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@@user-lf5bg1yh1k tution jaane se kuchh nahin hota self study is the best study
In the question at 52:36, the method sir adopted.. gave same answer that would have come if we would have considered 'v' and 'u' as constant because sir asumed the case when object was about to start (t=0). At that time 'v' and 'u' can be considered as constants ,, so the formula Vi = -(v/u) Vo is applicable there also :)
Yes i applied it and got the same answer
He made it look so easy ❤❤
Belated happy birthday sirji❤️
A video to thank ur physics GOD PW ruclips.net/video/HgIeULlfQJ0/видео.html
Watch like subscribe share to Alakh Sir fans
Sir thank u so so much u made it so interesting and loving chapter❤️❤️
Sir, case-3 mein hi thoda doubt tha. Aapne mast clear kar diya ❤️
Shukriya
best video on ray optics ever!
Sir 46:12 me jo case lia height of image ka vo parallel formule se bhi aaa rahaa hai
I also noticed that
It is due to the fact that height of object =height of image=0 m
was searching for this comment
It is due to the fact that hi =0 and ho =0. SO, THE REMAINING EQUATION IS SAME AS THAT OF THE PREVIOUS.
Thanks sir for such a beautiful series and such a beautiful lecture ❤️ ❤️ ❤️
Sir sach me bahut maza aati hai padhne me aapse 😊
0:10 *black marker blue cap ... !! WOW !!*
Hello...Alakh sir...aap itna accha padhate ho sir... thank u sir...hum aapki bahot respect karte hain sir....jab bhi physics ki baat ati thi toh pehle dar lagta tha sir...lekin jab aap kehte hain ki daro mat problem solve ho jayega toh...hum such me problems kar pate hain thank u sir.....😊😊
All the very best baccho padhaii kartae raho 👍
Sir u r gr8
The best teacher in the world
Thank u so much sir i have no words how much i thankful to you.
Thank you so much sir for helping us 👍👍🙏🙏
Nice Gurudev g 🙏
sir u are great aap hmare samne nhi ho pr bhi hume puri thra jante ho mene sach m phele wale case m heading skip krr diya tha lakin jb aapne bad m bola to ek dam phele heading likha sir aap kitna ache se jatne ho aapne students ko
Greetings dear sir, @ 51:32 the same result is obtained by using the formula for constant horizontal velocity.Did that happened fortunately or is the formula actually valid for the condition, kindly explain.
By luck😊
Sir in case 3 question number 1 in this vedio we also solve Vi in y Directly by the formula of (Vi=-(v/u)Vo)
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Im so satisfied with this lecture
Hello there.... At 52:15 the solution is same when we use the formula----> Vi = -(v/u) Vo ! Then why did sir say ki, if we use this formula, answer will be wrong?
Explained 10 times better than in coaching
10:47 mein idhar aa jata hoon
Alakh Pandey jumps 😆
Thanks sir this helped me a lot 🙏🙏
He's asking us if he's going too fast
Meanwhile me watching at the speed of 2x.
Nope..haha
I thought same 😂😂
wow jokes toh bhot funny banata hai tu chumteya
You are the best teacher of physics 💐💐💐💐
Amazing seesion sir😍😘😘😙😗
Bro this the first video I watched in your channel . Your teaching is excellent bro. You can carry on this bro. Amazing teaching bro.thank you for your teaching bro.
Sir in case 3,we can get it without product differentiation also by the formula of finding velocity along y-axis and x-axis then finding their magnitude will get us to the answer.
Thank you
Direction opposite ho jata bhai usse
Velocity
At 55:07 I can't stop laughing🤣🤣🤣...
Kisne kisne sir ke bolne pr lecture bnd kr diya 😅😅
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51:18 sir Vi=-v/u*Vo se bhi same answer aa raha hai.
Ajj bhi mai sirjee ke videos ko hi dekhta hu koi nae session ko nahi kyonki sirjeee pira feell dila dete hai physics hai
Maja aagya sirjee
Love you sirjeeeeeeeee
Ohh
Tnks sir for giving such high level thinking questions
Luv u sirr
Tnks for your hard work and dedication.
The best teacher in the whole universe. Blessed to have such a teacher like you sir😇😇😇😇😇😇😇😇😇😇...may God bless you wid everything ..😊😊😊
Coincidentally 51 35 mai wo normal Y axis wala formula se bhi minus 6 aa rha tha sir😂😂😂..but thanks for clearing the concept sir👍👍👍
Oh mai bhi wahi soch raha tha. Thanks 👍
Same🤣🤣
Haa but on differentiation the coefficients are zero but in exam iskavalue after 3sec dedia toh galath hojayega😊
52:00
sir here if we are considering the condition at instant we can use same formulary cause you don't change the image distance.. with time
the thing is same .. isn't it ?
amaZing session sir, really me kati feel aa gai......
YOU ARE THE BEST TEACHER COMPARABLE TO GOD
love you love you love you love you love you, sir...FOREVER