Numericals on Lens Maker's Formula - Ray Optics and Optical Instruments | Class 12 Physics Chapter 9

👉Previous Video:    • Refraction Through a Prism - Ray Optics an...   👉Next Video:    • Optical Instruments - Ray Optics and Optic...   ======================================================= ✔️📚👉 Watch Full Free Course Videos: https://www.magnetbrains.com ✔️📚👉 Grab E-book & E-Notes by Expert Teachers Here: https://www.magnetbrains.com/notes ======================================================= 📢 Full Playlist Link:    • Class 12 Physics (By Prateek Sir) | Comple...   ✅ In this video, ✔️ Class: 12th ✔️ Subject: Physics ✔️ Chapter: Ray Optics and Optical Instruments (Chapter 9) ✔️ Topic Name: Numericals on Lens Maker's Formula ✔️ Topics Covered In This Video (Prateek Sir): In this class 12 physics video, we will dive into the topic - Numericals on Lens Maker's Formula of Chapter 9 - "Ray Optics and Optical Instruments". We will explore the key concepts, theories, and practical applications related to this chapter. By the end of this video, you will have a thorough understanding of the fundamental principles discussed in chapter number of the class 12 physics curriculum. ======================================================= 00:00 Introduction - Ray Optics and Optical Instruments - Numericals on Lens Maker's Formula 01:47 Numericals (Que. 1 to 3): Que. 1 A mark placed on the surface of a sphere is viewed through glass from a position directly opposite. If the diameter of the sphere is 10 cm and refractive index of glass is 1.5, find the position of the image. 24:54 Numericals (Que. 4 to 6): Que. 4 A Biconvex lens has focal length 3/4 times the radius of curvature of either surface. Calculate the refractive index of material of the lens. 43:40 Numericals (Que. 7 to 10): Que. 7 At what possible distances should an object be placed from a convex lens of focal length 15 cm to obtain an image 3 times the size of the object. 57:03 Website Overview ======================================================= Why study from Magnet Brains? Magnet Brains is an online education platform that helps to gives you NCERT/CBSE curriculum-based full courses free from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career. 👉 Contact us 🤑🤑 ➡️ Connect with us: [email protected] ➡️ Website: https://www.magnetbrains.com/ ➡️ Subscribe to us on YouTube:    / @magnetbrainseducation   ➡️ Subscribe to Magnet Brains Hindi Medium:    / @magnetbrainshindimedium   ➡️ Facebook:- https://www.magnetbrains.com/out/face... ➡️ Instagram:- https://www.magnetbrains.com/out/inst... #class12 #physics #class12physics #cbse2024_25 #magnetbrains #newsession2024_25 #2024_25 #class12physics #chapter9 #rayopticsclass12 #rayopticsandopticalinstruments #refraction #numericals #numerical #lensformula #lensmakerformula ray optics and optical instruments class 12 ray optics and optical instruments class 12 ncert ray optics class 12 refraction through a prism class 12 numerical problems on lens makers formula numericals on lens maker's formula numericals on lens maker's formula class 12 lens makers formula derivation questions on lens maker formula class 12 lens makers formula class 12 lens maker formula diagram lens makers formula derivation lens maker's formula Disclaimer: "This video is for educational and informational purposes only and is not intended to infringe on any copyrights. If you believe that this video has used any copyrighted material in a way that constitutes copyright infringement, please contact us at [email protected] and we will take appropriate action."