Question:

Write answer of each question in one sentence: What is the unit of power of lens?

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The power of a lens is given by \( P = \frac{1}{f} \), where \( f \) is the focal length in meters.

Updated On: Nov 29, 2025

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Solution and Explanation

The power of a lens is measured in diopters (D), which is the reciprocal of the focal length (in meters).

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