Question

Define 1 dioptre of power of a lens.​

Answer 1

Answer:

1 dioptre =  1 m

Explanation:

Answer 2

Answer:

A dioptre (British language) or diopter ( American language) is a unit of measurement of the optical power of a lens of curved mirror, which is equal to the reciprocal of the focal length and measured in metres (1 diopter= 1m- ^1 for example, a 3- dioptre lens bring parallel Ray a flight to focus at ⅓ metres.

Explanation:

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