📘 Refraction of a Plane Wave Using Huygens’ Principle | Important Derivation | Class 12 Physics

📘 Refraction of a Plane Wave Using Huygens’ Principle | Important Derivation | Class 12 Physics by Deepanshu Sir Chapter: Wave Optics Topic: Refraction of Plane Wavefront (Huygens’ Principle) Class: 12 (CBSE) Useful for: Board Exams | NEET | JEE 📖 About This Video In this video, Deepanshu Sir explains the important derivation of refraction of a plane wave using Huygens’ Principle. This derivation helps students understand Snell’s law from a wave-optics point of view and is a frequently asked derivation in CBSE Class 12 board exams. ✏️ Derivation Explained in the Video ✔️ Concept of wavefront and secondary wavelets ✔️ Refraction of a plane wavefront at the boundary of two media ✔️ Change in speed of light in different media ✔️ Geometrical construction using Huygens’ principle ✔️ Derivation of Snell’s law: 🔍 Key Concepts Covered 📌 What is a plane wavefront 📌 Huygens’ principle statement 📌 Refraction at plane interface 📌 Relationship between speed, wavelength, and refractive index 📌 Importance of wave nature of light 📝 Exam Tips ✔️ Always draw a proper wavefront diagram ✔️ Mention assumptions clearly ✔️ Write final relation neatly ✔️ Explain steps logically for full marks 🎯 Who Should Watch? ✅ CBSE Class 12 students ✅ NEET & JEE aspirants ✅ Students revising Wave Optics ✅ Anyone wanting conceptual clarity in optics 👍 Support the Channel 📌 Like 👍 | Share 🔁 | Subscribe 🔔 📌 Comment your doubts — they will be answered #Class12Physics #WaveOptics #HuygensPrinciple #Refraction #PhysicsDerivation #DeepanshuSir #CBSE #NEET #JEE