Science, asked by farhanapasha997, 3 months ago

the focal length of convex lens is 25 cm .what is its power?

Answers

Answered by tpalak105

3

Explanation:

Focal length = 25 cm

= 0.05 m

Power of lens is

P= 1/F

P= 1/0.05

P= + 4.0 D

I hope it will help you

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