Answer to Question #52756 in Optics for Atooki Yunus

Question

How far from a magnifying glass do you place an object to view it?

closer than than the focal length
distance equal to the focal length
greater than the focal length but less than twice the focal length
at twice the focal length

Answer 1

A magnifying glass is a convex lens which produces a magnified (larger) image of an object. For a magnified image to be observed the distance between the object and the lens must be shorter (closer) than the focal length of the lens. So, the correct answer is
a) closer than the focal length.