Ray Optics Class 12 Physics 🔥 Sign Convention and Important Derivation

Class 12 Physics Chapter 9 – Ray Optics and Optical Instruments | Full Chapter Explanation | CBSE Board Exam Preparation
In this video, we cover Ray Optics and Optical Instruments (NCERT Class 12 Physics Chapter 9) with clear concepts, ray diagrams, derivations, and numericals.
This lecture is designed to help Class 12 students understand optics easily and perform well in school exams, pre-boards, and board exams.
⭐ Topics Covered in This Chapter:
Reflection of Light
Spherical Mirrors (Ray Diagrams & Formulae)
Refraction of Light
Refraction at Spherical Surfaces
Thin Lens Formula
Lens Maker’s Formula
Power of a Lens
Optical Instruments
Simple Microscope
Compound Microscope
Astronomical Telescope
Important Ray Diagrams & Derivations
Board Exam Numericals & PYQs
This lecture will help you build strong fundamentals and score high in Ray Optics questions.

📘 Best For:
CBSE Class 12 Physics
NCERT Chapter 9 Complete Explanation
Board Exam Preparation
Optics Concept Building
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