Focal length of a thin convex lens is 30 cm At a distance of

Last updated: 6/25/2023

Focal length of a thin convex lens is 30 cm At a distance of 10 cm from the lens there is a plane refracting surface of refractive index Where will the parallel rays incident On lens converge a At a distance of 25 cm from the lens b At a distance of 27 5 cm from the lens c At a distance of 40 cm from the lens d At a distance of 45 cm from the lens 3 S 2 A