JEE Main & Advanced
Physics
Ray Optics
Question Bank
Numerical Value Type Questions - Reflection at Plane and Curved Surface
question_answer
A concave mirror of focal length 20 cm is cut into two parts from the middle and the two parts are moved perpendicularly by a distance 1 mm from the previous principal axis AB. If an object is placed of a distance of 10 cm from the mirror on the line AB then, find the distance (in mm) between the images formed by the two parts?