Aray diagram shows an object placed between 2f and f of a convex lens. the image produced is

a.) smaller than the object.
b.) upright.
c.) larger than the object.
d.) virtual.

Answer :  When an object placed between 2F and F of a convex lens. The image produced is larger than the object.

Explanation :

A convex lens is thicker at the middle and it is thinner at the edges.

When an object placed between 2F and F of a convex lens. The image produced is larger than the object (as shown in attached figure).

The image is formed at beyond 2F in opposite side of lens. The nature of image is real and inverted.

So, the correct option is (C) " larger than the object".

d.7.5cm is your answer