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A. 1 meter
B. 2 meter
C. ½ meter
D. ¼ meter

Submitted by: Rizwan Ayub Saadi

The power of a lens (P) is defined as the reciprocal of its focal length (f) in meters, measured in diopters (D).

So, if the power of the lens is one diopter, then its focal length is 1 meter.

Correct Answer: 1 meter

Last Updated: May 07, 2024