A convex lens makes a real image 4 cm long on a screen When

Last updated: 6/24/2023

A convex lens makes a real image 4 cm long on a screen When the lens is shifted to a new position without disturbing the object we again get a real image on the screen which is 16 cm long The size of object will be O 1 4 cm 8 cm 12 cm 20 cm