Objective: Investigate reflection from a plane mirror and a curved mirror
Light rays are reflected by a mirror such that the angle of incidence is equal to the angle of reflection. This law of reflection applies not only to plane mirrors but also to curved ones. Only plane mirrors, though, reflect parallel incident rays in such a way that they remain parallel upon reflection. This is because the angle of incidence of all these parallel rays will be the same. For curved mirrors, concave and convex, parallel rays do not remain parallel after reflection. Instead, they are focussed towards a focal point.