Angle of a prism is `30^(@)` and its refractive index is `sqrt(2)` and one of the surface is silver
Channel: Doubtnut
Date: 30/08/2020

Angle of a prism is `30^(@)` and its refractive index is `sqrt(2)` and one of the surface is silvered At what angle of incidence a ray should be incident on one surface so that after reflection from the silvered surface it retraces its path