Ray Optics and Optical Instruments
PhysicsClass 12
Refraction, the critical angle, and total internal reflection. Watch the refracted ray lie flat at exactly C and then vanish. 3-4 NEET questions every year.
Key Topics in this Chapter
Snell's lawCritical angle sin C = 1/μTotal internal reflectionOptical fibreRefractive index
Interactive 3D Labs for this Chapter
Total Internal Reflection
3DTotal Internal Reflection & the Critical Angle — Watch the Refracted Ray Die
3-4 NEET questions
Spherical Mirror 3D
3DSpherical Mirror Lab — Concave & Convex Mirrors in 3D
2-3 NEET questions
Refraction Prism 3D
3DRefraction & Prism Lab — Bending, Shifting and Prism Deviation in 3D
3-4 NEET questions
Want to explore all physics chapters?
See all physics labs→