A point object is placed in front of a thin lens of focal length $f= 0.50\;m$ at a distance of $1.0\;m$ . A flat mirror is placed 2 m behind the lens. What is the distance between the lens and the final image formed.

Question

$(a)\;1.0\;m \\ (b)\;0.5\;m \\ (c)\;0.6\;m \\ (d)\;0.2 \;m$