NDA Optics Formula Sheet - Free Study Material

NDA Optics Formula Sheet: Chapter Summary

Mastering Optics is essential for scoring high in the physics section of the UPSC NDA exam. Alignment with the latest NDA syllabus and exam pattern makes this chapter one of the most important chapters for General Ability Test (GAT) preparation. This comprehensive NDA Optics Formula Sheet serves as an indispensable cheat sheet, designed to help aspirants quickly revise core concepts, ray diagrams, mirror and lens formulas, refraction laws, and optical instruments. Utilizing high-yield study material like this quick-reference guide optimizes your revision strategy, ensuring you retain vital equations and definitions needed to clear the exam with confidence.

Key Topics Covered

• Reflection of Light & Plane/Spherical Mirrors
• Mirror Formula and Magnification
• Refraction of Light & Snell's Law
• Total Internal Reflection (TIR) & Critical Angle
• Refraction through Lenses & Lens Maker's Formula
• Power of Lenses & Combination of Thin Lenses
• Refraction through a Prism & Dispersion of Light
• Human Eye Defect Corrections (Myopia, Hypermetropia)
• Optical Instruments (Simple & Compound Microscopes, Astronomical Telescope)