A convex lens of focal length 10 cm is cut along the line AB

Last updated: 6/11/2023

A convex lens of focal length 10 cm is cut along the line AB as shown in the figure a The parts of the lens are combined as shown in the figures i ii iii iv The focal lengths in these cases are f 12 f3 14 respectively M D M D 1 compare these focal lengths 1 18 A B D f f f f f f f f f f f f None of these 111 iv