Question

29. How is a spherical mirror used to converge a
beam of light at a point ? Name the type of mirror
used.​

Answer 1

Answer:

a beam of light parallel to the principal axis fall on a convex mirror, all the rays after reflection diverge. If the reflected rays are extended backwards, they appear to be metting at a point on the principal axis. ... This point is called the focus of the convex mirror.