Question

to get object sized image in the experiment by using convex lens the position of the object should be at​

Answer 1

Explanation:

To get the virtual and erect image formed by a convex lens, object should be kept between optical centre and focus. Therefore, range of the object distance is from 0 to 20 cm.

Enlarged and erect image is form

Answer 2

Answer:

in the center of curvature