define focus in spherical Mirrors ???
Answers
Answered by
8
the point at which all the parallel rays meet on the principal axis is called focus
Answered by
11
A number of rays parallel to the principal axis after reflection from a concave mirror meet at a point on the principal axis or appear to come from a point after reflection from a convex mirror on the principal axis. This is called principal focus.
supravanayak:
ohh why
Similar questions