Question

how does the size of the image can change as the object is brought closer from infinity towards the convex lens

Answer 1

Aa the object moves nearer to the lens the size of the image increases..... The value of v also increases

Answer 2

As the object is brought closer from infinity towards the convex lens, the size of image increases. When the object is at infinity, point-sized image is formed, while object at focus gives highly enlarged image.