Question:
Which of the following is the unit of power of lens?
Which of the following is the unit of power of lens?
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The power of a lens (P) is calculated as \( P = \frac{1}{f} \), where \( f \) is the focal length in meters.
Updated On: Oct 27, 2025
- Dioptre
- Watt
- erg
- Joule \bigskip
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The Correct Option is A
Solution and Explanation
The unit of the power of a lens is dioptre (D), which is the reciprocal of the focal length measured in meters.
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