A plano convex lens has a thickness of 4 cm when placed on a

Last updated: 6/11/2023

A plano convex lens has a thickness of 4 cm when placed on a horizontal table with curved surface in contact with it the apparent depth of the bottom most point of the lens is found to be 3 cm If the lens is inverted such that the plane face is in contact with the table the apparent depth of the center of plane face is found to be 25 cm The focal length of the len as measured from center of spherical surface can be 8