Q. A person 6 feet in length can see his full size erect image in a mirror 2 feet in length. This mirror has to be
A) Plane or convex
B) Plane or concave
C) Necessarily convex
D) Necessarily concave
Explanation
(c) The image is erect and diminished. So, the mirror in necessarily convex
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.