52 An object and a screen are kept at a distance of 120 cm A

Last updated: 6/24/2023

52 An object and a screen are kept at a distance of 120 cm A lens is kept between them so that a real image is formed on the screen for two different positions of the lens Difference between the positions of the lens is 60 cm The focal length of the lens is 1 22 5 cm 3 20 cm 2 45 cm 4 20 5 cm