9 Angle of prism is A and its one surface is silvered Light

Last updated: 5/30/2023

9 Angle of prism is A and its one surface is silvered Light rays falling at an angle of incidence 2A on first surface return back through the same path after suffering reflection at second silvered surface Refractive index of the material of prism is 1 2 sin A 2 2 cos A 3 12 1 2 cosA 4 tanA