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LAKSHYA Batch(2020-21)
Join the Batch on Physicswallah App
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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 YouTube)
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.
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12th Chapter 9 : Ray Optics 01 : Introduction & Reflection in a Plane Mirror JEE /NEET
https://youtu.be/_nGZGo4gHGoRay Optics 02 : Number of Images formeed by Two Plane Mirrors JEE/NEET
https://youtu.be/xLMFyXXUfTsRay Optics 03 : Velocity in Plane Mirror - Velocity of Object & Velocity of Image JEE/NEET
https://youtu.be/-zjwlf1sPtQRay Optics 04 : Spherical Mirrors: Introduction :Focus ,Focal Length & Focal Plane - Sign Convention
https://youtu.be/NdJEdh3xC2YRay Optics 05 : Image Formation by Concave & Convex Mirror for Different Position of Object JEE/NEET
https://youtu.be/iEMPrqdGPMURay Optics 06 : Mirror's Formula -Derivation for Concave & Convex Mirror +Basic Numericals + Concept
https://youtu.be/bSxWxqfhIYERay Optics 07 : Magnification - Magnification & Mirror's Formula Best Numericals JEE/NEET
https://youtu.be/P2pLDPj-DWkRay Optics 08 : Combination Of Mirrors - Concept of Virtual Object JEE /NEET
https://youtu.be/GLBzqqpcRF4Ray Optics 09 : Velocity in Spherical Mirrors - Velocity Of Object & Velocity Of Image JEE/NEET
https://youtu.be/IHL0rxbPWJoRay Optics 10 : Refraction Of Light : Snell's Law & Refractive Index JEE/NEET
https://youtu.be/VimYgbSw28gRay Optics 11 : Real Depth and Apparent Depth - Complete Concept with Best Numericals JEE/NEET
https://youtu.be/rUi_chxd_qERay Optics 12 : Refraction - Shift through a Glass Slab : JEE/NEET
https://youtu.be/18DZxFMlNqERay Optics 13 : Critical Angle and Total Internal Reflection - TIR - JEE/NEET
https://youtu.be/GIv3PN9vcR8Ray Optics 14 : Refraction through Prism : Concept , Numericals & Minimum Deviation Case JEE/NEET
https://youtu.be/DnC5-gM81qcRay Optics 15 : Refraction from Spherical Surfaces - Formula - Derivation and Numericals JEE/NEET
https://youtu.be/SZm0KLuRpKIRay Optics 16 : Lens - Introduction : It's Types , Optical Centre , Focus , Focal Length JEE/NEET
https://youtu.be/-K9yueGZ5pIRay Optics 17 :Image Formation By Convex and Concave Lens for different Positions of Object JEE/NEET
https://youtu.be/jJB4roc5n2ERay Optics 18 : Lens Maker's Formula - Derivtion and All Types of Numericals JEE/NEET
https://youtu.be/KYHt5Dxza5YRay Optics 19 : Magnification - Magnification & Len's Formula with Best Numericals JEE/NEET
https://youtu.be/_E_6EcA6Kr4Ray Optics 20 : Combination of thin lenses in Contact II Cutting Of Lenses II Power - JEE/NEET
https://youtu.be/8i1_zA336PcRay Optics 21 : Silvering Of One Surface Of Lens - Silvered Lens JEE/NEET
https://youtu.be/3eX52D-7G80Ray Optics 22 : Microscope - Simple Microscope & Compound Microscope - JEE/NEET
https://youtu.be/-QIximwdKYIRay Optics 23 : Telescope - Refracting Telescope & Reflecting Telescope JEE/NEET
https://youtu.be/n8nCGAg3AuUAbout the Site 🌐
This site provides links to random videos hosted at YouTube, with the emphasis on random. 🎥
Origins of the Idea 🌱
The original idea for this site stemmed from the need to benchmark the popularity of a video against the general population of YouTube videos. 🧠
Challenges Faced 🤔
Obtaining a large sample of videos was crucial for accurate ranking, but YouTube lacks a direct method to gather random video IDs.
Even searching for random strings on YouTube doesn't yield truly random results, complicating the process further. 🔍
Creating Truly Random Links 🛠️
The YouTube API offers additional functions enabling the discovery of more random videos. Through inventive techniques and a touch of space-time manipulation, we've achieved a process yielding nearly 100% random links to YouTube videos.
About YouTube 📺
YouTube, an American video-sharing website based in San Bruno, California, offers a diverse range of user-generated and corporate media content. 🌟
Content and Users 🎵
Users can upload, view, rate, share, and comment on videos, with content spanning video clips, music videos, live streams, and more.
While most content is uploaded by individuals, media corporations like CBS and the BBC also contribute. Unregistered users can watch videos, while registered users enjoy additional privileges such as uploading unlimited videos and adding comments.
Monetization and Impact 🤑
YouTube and creators earn revenue through Google AdSense, with most videos free to view. Premium channels and subscription services like YouTube Music and YouTube Premium offer ad-free streaming.
As of February 2017, over 400 hours of content were uploaded to YouTube every minute, with the site ranking as the second-most popular globally. By May 2019, this figure exceeded 500 hours per minute. 📈
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