A diverging lens has a focal length of

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

A diverging lens has a focal length of −18 cm-18\,\text{cm}. It produces a virtual image located 12 cm12\,\text{cm} from the lens on the same side as the object. What is the object distance sos_o? (a) 7.2 cm7.2\,\text{cm} (b) 30 cm30\,\text{cm} (c) 36 cm36\,\text{cm} (d) 18 cm18\,\text{cm}

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