A convex lens produces an image on a screen five times the size of the object If the positions - Physics -

Question

A convex lens produces an image on a screen five times the size
of the object If the positions of the image and the object are
interchanged, what will be the magnification ?

Abhishek Gupta · Accepted Answer

A convex lens produces an image on a screen five times the size of the object. If the positions of the image and the object are interchanged, what will be the magnification ?