Question

The point, on the principal axis of a concave lens, from where a beam of incident
4.
of the concave lens.
parallel ray appears to diverge, is called the​

Answer 1

Answer:

Rays of light parallel to the principal axis of a concave mirror will appear to converge on a point in front of the mirror somewhere between the mirror's pole and its center of curvature. That makes this a converging mirror and the point where the rays converge is called the focal point or focus .