PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction
Problem
A spherical mirror has a radius of curvature of 40cm. Where should an object be placed so that a real image forms 30cm in front of the mirror? (Distances are measured from the mirror along the principal axis.)
(a) so=12cm in front of the mirror
(b) so=60cm in front of the mirror
(c) so=50cm in front of the mirror
(d) so=−120cm (behind the mirror)