A convex lens of focal length 15 cm is split into two halves

Last updated: 6/1/2023

A convex lens of focal length 15 cm is split into two halves and the two halves are placed at separation of 120 cm Between the two halves of convex lens a plane mirror is placed horizonta and at a distance of 4 mm below the principal axis of the lens halves An object AB of length mm is placed at a distance of 20 cm from one half lens as shown in figure The final image of t point A is formed at a distance of mm from the principle axis Determine the value of n 3 f 15 cm f 15 cm 2 mm A B 20 cm 120 cm 4 mm