Question

State where an object must be placed so that the image formed by a concave mirror is:

(a) erect and virtual.
(b) at infinity.
(c) the same size as the object.

Answer 1

(a) an object must be placed Between pole and focus of the mirror so that the image formed by a concave mirror is erect and virtual.

(b) an object must be placed At the focus of the mirror so that the image formed by a concave mirror is at infinity.

(c) an object must be placed At the center of curvature of the mirror so that the image formed by a concave mirror is the same size as the object.