Question

An incident ray strikes a plane mirror at an angle of 15⁰ with the mirror. The angle between the incident ray and reflected ray is

Answer 1

At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicular to the surface of the mirror. This line is known as a normal line (labeled N in the diagram). The normal line divides the angle between the incident ray and the reflected ray into two equal angles.