Lens Maker’s Formula | Derivation | Class 12 Physics | Optics

Learn the *Lens Maker’s Formula* in seconds!** 🔍
This short and simple explanation helps you *understand, derive, and remember* the lens maker’s formula — a key concept in **Optics (Class 12 Physics / NEET / JEE)**.

In this video, you’ll learn:
✅ What is Lens Maker’s Formula
✅ How to derive it step-by-step
✅ The physical meaning of refractive index and radii of curvature
✅ Quick tips to remember it for exams

Perfect for **students preparing for Class 12 Physics boards**, **JEE**, **NEET**, or anyone curious about **how lenses work**.

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