Refractive Index of a Prism | Class 12 Physics | Ray Optics | Derivation & Concept

📘 Welcome to Physics Mestru!
In this video, we explain the *refractive index of a prism**, one of the most important concepts and derivations from the chapter **Ray Optics and Optical Instruments* in Class 12 Physics.

This topic is frequently asked in *CBSE, ICSE, Karnataka PUC* board examinations and is also very important for *NEET & JEE* conceptual understanding.

📚 What you will learn:
• What is a prism and angle of prism (A)
• Angle of deviation (δ) and its significance
• Condition of minimum deviation
• Step-by-step derivation of the formula
*μ = sin((A + δₘ)/2) / sin(A/2)*
• Physical meaning of the refractive index of a prism
• Important exam tips and common mistakes

🔍 Syllabus covered:
• CBSE Class 12 Physics
• ICSE / ISC Physics
• Karnataka PUC
• NEET / JEE Main / JEE Advanced Ray Optics
• All State Board Class 12 Physics syllabi

🎯 Ideal for:
• Board exam derivation questions
• NEET & JEE aspirants strengthening ray optics basics
• Students revising prism-related numericals and theory
• Teachers and learners seeking a clear explanation

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📌 Related Videos:
▶ Deviation of Light through a Prism
▶ Dispersion of Light by Prism
▶ Ray Optics Complete Playlist – Class 12 Physics

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