Question

Concave
mirror converges the
point
so
parallel light beam at one
if is called
A)​

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 .

...

introduction.

f ≈ r

2

Answer 2

Answer:

$focal \: point \: \: \\ or \\ focus$