When a mirror is rotated by an angle θ, the reflected ray will rotate by :

The image of an object formed by a plane mirror is

What will be the nature of image formed by a convex mirror when the position of object is between infinity and pole P of the mirror?

When a light ray passes through from air to water with a non-zero angle the ray will be

What is the critical angle of a medium?

The mirror, which is used in searchlights, is –