The angle of a prism is A One of its refracting surface is

Last updated: 5/31/2023

The angle of a prism is A One of its refracting surface is silvered Light rays falling at an angle of incidence 2A on the first surface returns back through the same path after suffering reflection at the silver surface The refractive index u of the prism is 1 2 sinA 2 2 cosA 1 3 COSA 4 tanA