A convex lens of focal length `10 cm` is placed co-axially `5 cm` away from a concave lens of
Channel: Doubtnut
Date: 2020-08-02

A convex lens of focal length `10 cm` is placed co-axially `5 cm` away from a concave lens of focal length `10 cm`. If an object is placed `30 cm` in front of the convex lens, find the position of final image formed by the combined system.