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Define1diopter

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Define1diopter

Posted by Aditya Singh Rajput 5 years ago

CBSE > Class 10 > Science

3 answers

Tejasvini S 5 years ago

A dioptre (British spelling) or diopter (American spelling) 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.)

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Harmanjit Singh 5 years ago

Thanks sir\mam

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Gaurav Seth 5 years ago

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). Measurement of the focal length in a meter.

The SI unit of power of lens is dioptre whose focal length is one meter, which is denoted by the letter D.

1 dioptre (D) = P = 1/f

Where f = focal length

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science