(a) In a reading glass what is the position of the object with respect to the convex lens used?

(a) In a reading glass, the object is placed between the optical center and the principal focus of the convex lens to produce a virtual and enlarged image of the object so that a magnified view of the object can be seen.

(b) A concave lens always forms a virtual, erect, but diminished (smaller) image of the object so it cannot magnify the object.