Physics, asked by hina261, 1 year ago

The focal length of a convex lens is 100cm . find the power of lens?

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hina261: 10th

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Answers

Answered by nishantkohli40pa23kf

Power =. 1 / focal length (in m)

P =. 1/ 1 m

P = 1 dioptre

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Answered by lidaralbany

Answer:

The power of the lens is 1 D.

Explanation:

Given that,

Focal length f = 100 cm

We know that,

The power of the lens is the reciprocal of the focal length of the lens.

the power of the lens is

$P =\dfrac{1}{f}$

Here, P = power of the lens

f = focal length of the lens

$P = \dfrac{100}{100}$

$P = 1 D$

Hence, The power of the lens is 1 D.

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