An object is 80 cm in front of a lens. An image forms 10 cm behind the lens. The lateral magnification
A)is -8.
B)is -0.125.
C)is 8.
D)is 0.125.
E)cannot be determined with the information given.

Question

Quizplus · Accepted Answer

The lateral magnification (m) is given by the formula m = - (image distance)/(object distance). Here, the image distance is 10 cm and the object distance is 80 cm, so m = - (10/80) = -0.125.

An Object Is 80 Cm in Front of a Lens