Question

a convex lens has a focal length of 10 cm.at which of the following position should an object be placed so that this convex lens may act as a magnifying glass​

Answer 1

Answer:

by placing another lens on it.

Answer 2

7cm

Explanation:

• When object is placed within focal length of the lens its magnified virtual image is formed.
• A convex lens is a converging lens. The principal focus is when parallel rays of light pass through a convex lens the refracted rays converge at one point called . Focal length is the distance between the principal focus and the center of the lens.