When a simple magnifying glass is used properly, the image will be formed
A. just inside the focal length of the lens.
B. about 250 millimeters in front of the lens.
C. at the focal point of the lens.
D. about 500 millimeters behind the lens.
Magnifying glasses typically use a value of 0.25 meters, or 250 millimeters, distance. This means that that B is the correct answer and the image will be formed approximately 250 millimeters in front of the lens.