PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics
Problem
A diverging lens has a focal length of −18cm. It produces a virtual image located 12cm from the lens on the same side as the object. What is the object distance so?
(a) 7.2cm
(b) 30cm
(c) 36cm
(d) 18cm