Optics
Physics — topic guides, questions, and exam chapters with this tag
Topic guide
Light — Reflection and Refraction, Lenses & Mirrors (Class 10)
Laws of reflection and refraction, spherical mirrors, lenses, refractive index, power of lens, human eye defects. NCERT Class 10 Chapter 10.
Solved questions
A converging lens f=20cm — object at 30cm — find image position and magnification
Total internal reflection — find critical angle for glass (n=1.5) to water (n=1.33)
Dispersion of light — prism, rainbow formation, chromatic aberration
Total internal reflection — conditions, critical angle, fiber optics, diamond sparkle
A Myopic Person Needs -2 D Lens — What is Their Far Point?
NCERT Class 10 Chapter 10
What is the Speed of Light in Water? — Refractive Index
NCERT Class 10 Chapter 10
Object 30 cm in Front of Concave Mirror, f = 15 cm — Find Image
NCERT Class 10 Chapter 10
Optical instruments — microscope, telescope, human eye comparison
Optical instruments — microscope, telescope, human eye comparison
Power of a Lens — P = 1/f in Diopters
CBSE 2024 Board Exam
Resolving Power of a Microscope
JEE Advanced 2023
Young's Double Slit Experiment — Fringe Width Formula
JEE Main 2024
Lens and mirror formula problems — step by step approach with sign convention
Ray diagrams for convex and concave lenses — all cases with characteristics
Ray diagrams for convex and concave mirrors — all 6 cases
Ray diagrams for convex and concave lenses — all cases with characteristics
Ray diagrams for convex and concave mirrors — all 6 cases
Mirror Formula 1/v + 1/u = 1/f — Sign Convention and Example
CBSE 2024 Board Exam
Snell's Law of Refraction — n₁ sin i = n₂ sin r
NCERT Class 10