Question

The magnification of a lens is given as -1. What is the nature of the lens? What is the nature

of the image formed? Where is the object placed? When can the same lens have a possible

magnification of +2? What is the nature of the image formed in this case?​

Answer 1

Answer:

The nature of lens is concave lens. The nature of image is Real and Inverted. The object is at infinity. The magnification +2 is possible at F1. The nature of image in that case is erect and virtual.