A lens with a focal length of 10 cm has what power?
A)10.0 diopters
B)0.1 diopters
C)1 diopters
D)-10.0 diopters

Name: A lens with a focal length of 10 cm has what power? A)10.0 diopters B)0.1 diopters C)1 diopters D)-10.0 diopters
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Question

Quizplus · Accepted Answer

The power of a lens (in diopters) is the reciprocal of the focal length (in meters). For a focal length of 10 cm (0.1 meters), the power is 1/0.1 = 10 diopters.

A Lens with a Focal Length of 10 Cm Has