Physics

Problem

A diverging lens has a focal length of

-18\,\text{cm}

. It produces a virtual image located

12\,\text{cm}

from the lens on the same side as the object. What is the object distance

s_o

? a)

7.2\,\text{cm}

30\,\text{cm}

36\,\text{cm}

18\,\text{cm}