a convex lens of focal length 20 cm and a concave mirror of focal length 60 cm are placed coaxially facing each other at a seperation of 25 cm.A luminous object is placed at distance of 25 cm from the lens.The position of final image is
a convex lens of focal length 20 cm and a concave mirror of focal length 60 cm are placed coaxially facing each other at a seperation of 25 cm.A luminous object is placed at distance of 25 cm from the lens.The position of final image is