The refractive index of the material of a prism of refracting angle is for a certain…
PHYSICS · Numerical · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments
Problem
The refractive index of the material of a prism of refracting angle 45∘ is 1.6 for a certain monochromatic ray. What is the minimum angle of incidence of this ray on the prism so that no total internal reflection takes place as the ray emerges from the prism?