Complete Class 12 Physics in 60 Days🔥 |Syllabus Rescue Mission| Day 9 PART 2| CBSE|💯| CBSE Physics |

Welcome back to Day 9 of our intensive 60-Day CBSE Class 12 Physics Challenge! Today, we are diving deep into one of the most weightage-heavy chapters: Chapter 9 - Ray Optics and Optical Instruments. ​If you are aiming for a 95+ in your 2026 Board Exams, this video is a must-watch. We break down complex concepts into simple, easy-to-understand visualizations. ​📖 What You’ll Learn Today: ​In this session, we cover the core pillars of Ray Optics: ​Reflection of Light: Spherical mirrors, mirror formula, and magnification. ​Refraction: Snell’s Law and the concept of Refractive Index. ​Total Internal Reflection (TIR): Critical angle and real-life applications (Optical fibers). ​Refraction at Spherical Surfaces: Lens Maker’s Formula and Thin Lens Formula. ​Optical Instruments: Understanding the working of the Simple Microscope, Compound Microscope, and Astronomical Telescope. ​💡 Why Join the 60-Day Challenge? ​This series is specifically designed for the CBSE Class 12 (2025-26) batch. We focus on: ✅ NCERT-based explanations ✅ Important Derivations ✅ Previous Year Questions (PYQs) ✅ Time Management Tips ​Don't forget to: 👍 Like the video if you find it helpful. 🔔 Subscribe and turn on notifications so you don't miss Day 10! 💬 Comment below: "Day 9 Task Completed!" once you've finished the video. #cbse12thphysics #cbsepreviousyearquestion #cbse #physicsclass12 #physics #ncertphysicsclass12 #ncertbook #class12 #cbsephysics #rayopticsclass12 #rayoptics #rayopticsandopticalinstruments #rayopticsphysics