Question

A small strip of plane mirror A is set with its plane normal to the principal axis of a convex
mirror B and placed 10 cm in front of B which it partly covers. An object is placed 20 cm
from A and the two virtual images formed by reflection in A and B coincide without
parallax. Find the radius of curvature of B:
a) 20 cm
b) 22.5 cm c) 27.5 cm d) 30 cm​

Answer 1

Answer:

d

Explanation:

see the pic

answer will be 30 cm the another answer given by volunteer is wrong❌