Physics, asked by itzsunflower189, 11 months ago

A person uses a lens of power +3D to normalise vision Find the focal length of the lens.​

Answers

Answered by divya638
1

Explanation:

a person uses a lens of power plus 3D to normalise Vision then the person is suffering suffering from cataract, then he is he or she should take the focal length of the lens + 3 or - 3

Answered by anuragsutar2804
2

Answer:

Explanation:P =+3D

P=1/f(in m)

f = 1/3 m

Or 300 cm

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