Define 1 dioptre of power of lens.
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Answer:
When the focal length of a particular lens is 1 cm then the power of lens will be 1 dioptre
Explanation:
Focal length is inversely proportional to Power of lens
focal length = 1 cm
1/focal length = Power
1/1 = 1 D
Answered by
1
Answer:
A dioptre or 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 meters. For example a 3 dioptre lens brings parallel rays of light to focus at 1/3 metre.
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