🔍 Ray Optics – Prism & Optical Instruments | Class 12 Physics | ONE SHOT | CBSE & ISC

Описание: Ray Optics – Prism & Optical Instruments | Class 12 Physics | ONE SHOT | CBSE & ISC

This *Ray Optics ONE SHOT* focuses exclusively on *Prism and Optical Instruments**, two of the **most important and frequently asked topics* in **Class 12 CBSE & ISC Physics Board Exams**.

The lecture is designed to provide **complete conceptual clarity**, **derivations**, **ray diagrams**, and **numerical problem-solving techniques**, making it ideal for **board exam revision and last-minute preparation**.

📘 DETAILED TOPICS COVERED IN THIS ONE SHOT

🔹 PRISM
✅ Refraction of light through a prism
✅ Angle of deviation
✅ Angle of prism
✅ Minimum deviation
✅ Relation between refractive index and angle of minimum deviation
✅ Dispersion of white light
✅ Spectrum formation
✅ Deviation vs dispersion (exam-oriented differences)
✅ Ray diagrams for prism (step-by-step)

🔹 OPTICAL INSTRUMENTS
✅Human eye: structure & working
✅Defects of vision (myopia, hypermetropia, presbyopia)
✅Correction using ray diagrams
✅Simple microscope
✅Compound microscope
✅Astronomical telescope (normal adjustment)
✅Magnifying power derivations (board-focused)

🎯 WHY THIS ONE SHOT IS A MUST-WATCH
✅ Covers *high-weightage board questions*
✅ Strictly as per *CBSE & ISC syllabus*
✅ Clear derivations explained logically
✅ Proper ray diagrams (exam-ready)
✅ Numerical solving strategy included
✅ Perfect for *last-minute revision*

👨‍🎓 WHO SHOULD WATCH THIS VIDEO
• Class 12 CBSE Physics students
• Class 12 ISC Physics students
• Board Exam 2025 aspirants
• Students weak in ray diagrams
• NEET/JEE beginners revising optics

⏱️ HOW TO USE THIS VIDEO EFFECTIVELY
📌 Watch with your formula sheet
📌 Practice ray diagrams alongside
📌 Pause & re-derive formulas
📌 Revise once before exam day

📌 EXAM STRATEGY INCLUDED
✔️ Which derivations are compulsory
✔️ Common mistakes in prism numericals
✔️ How to draw neat ray diagrams
✔️ Step-marking approach in boards

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