AB is an incident beam of light and CD is a reflected beam (the number of reflections for this may be 1 or more than 1) of light. AB & CD are separated by some distance (may be large). It is possible by placing what type of mirror on the right side.
(A) one plane mirror
(B) one concave mirror
(C) one convex mirror
(D) none of these
Correct option: (B) one concave mirror
Explanation:
The only possibility is by reflection from concave mirror as shown.
