Q. 14.4( 185 Votes )

Define the principal focus of a concave mirror.

Answer :

All the light rays which are travelling parallel to the principal axis are bound to meet at a point on the principal axis after reflection from the mirror. This point on the principal axis is called the principal focus of the mirror.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.