Question

define 1 diopter of power of a lens
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Answer 1

Answer:

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Explanation:

:- 1 dioptre of power of a lens is described as the unit of measurement of the optical power of a lens or curved mirror equivalent to the reciprocal of focal length (f). ... The SI unit of power of lens is dioptre whose focal length is one meter, which is denoted by the letter D.

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Answer 2

Answer:

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