A L 2 3 In the diagram shown the lens has focal length 3L An

Last updated: 6/12/2023

A L 2 3 In the diagram shown the lens has focal length 3L An object is placed at a distance 4L from the lens A glass slab is placed between the lens and the object What is the refractive index of the slab if the image of the object is obtained at infinity The width of the slab is 2L A 3 2 C 4 3 B 2 D None OBJECT