Physics, asked by Sonali3141, 1 year ago

The focal length of the lens in a photographic camera is 5 cm.what is the power of the lens

Answers

Answered by Anonymous
2
we know that the power of length is the angle of bending by the lens.

by formula p=1/f.
f=5cm=0.05m.
so p=1/0.05=20D
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