Question

When an object moves towards a convex lens from beyond 2F upto F, the size of the image _____________.

(a) decreases
(b) increases
(c) remains the same
(d) first decreases then increases

Answer 1

(b) increases
When an object is moved beyond 2F up to the focus of a convex lens, the size of the image increases. At focus, the image is highly enlarged.