IITJEE Mains • Physics New Syllabus
Module 15: Ray Optics Hub
Master the geometry of light. Explore reflection, refraction, total internal reflection, lens mechanics, prisms, and the physics of optical instruments.
Topic 1.1 • Surface Optics
Laws of Reflection, Plane & Spherical Mirrors, and the Mirror Formula
Topic 1.2 • Bending of Light
Snell’s Law, Refractive Index, Apparent Depth, and Lateral Shift
Topic 2.1 • Internal Reflection
Conditions for TIR, Critical Angle, Mirages, and Optical Fibres
Topic 2.2 • Curved Surfaces
Refraction at Spherical Surfaces and the Lens Maker’s Formula
Topic 3.1 • Lens Mechanics
Thin Lens Formula, Linear Magnification, and Power of a Lens
Topic 3.2 • Advanced Lenses
Combination of Thin Lenses in Contact, Cutting, and Silvering of Lenses
Topic 4.1 • Prism Optics
Refraction and Dispersion through a Prism, and Angle of Minimum Deviation
Topic 4.2 • Instrumentation