JEE Advanced | 2013Geometrical OpticsMedium

Question

A ray of light travelling in the direction is incident on a plane mirror. After reflection,it travels along the direction . The angle of incidence is :-

Options

A.30o
B.45o
C.60o
D.75o

Solution


                

cos (180 - 2θ)

⇒    θ = 30o

Create a free account to view solution

View Solution Free
Topic: Geometrical Optics·Practice all Geometrical Optics questions

More Geometrical Optics Questions

...An object and a screen are fixed at a distance d apart. When a lens length f is moved between the object and the screen,...A thin glass (refractive index 1.5) lens has optical power of - 5D in air. Its optical power in a liquid medium with ref...A rectangular glass slab ABCD of refractive index is immersed in water of refractive index n2 (n1 > n2). A ray of light ...Two plane mirror are placed parallel to each other at a distance L apart. A point object between them at a distance L/3 ...