define 1 dioptre?....
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Answered by
7
Answer:
It is the Measuring unit in lenses
Explanation:
which is the reciprocal of Focal length in meters
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11
Answer:
A dioptre is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.
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