Science, asked by Zerotwoid, 9 months ago

Power of the lens is -40, its focal length is

4m

-40m

-0.25m

-25m

Answers

Answered by gurramvaishnavi555

2

Answer:

-0.25

Explanation:

p = 1 / f

f = 1 / p

f = - 1 / 40

f = - 0.25

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