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AP® Physics 1 & 2

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Moderate

Solve for Focal Length from Image and Object Distances

APPH12-WJUXVZ

An object is placed 12 cm in front of a concave mirror, and a real image is formed 6 cm in front of the mirror.

What is the focal length of this mirror?

A

0.25 cm

B

2 cm

C

4 cm

D

-12cm