Science, asked by Crescendo, 9 months ago

Power of the lens is – 40, its focal length is –​

Answers

Answered by sakshi20031518
11

Hey mate ✌✌

Answer:

Given : P = -40

F = ?

As we know ,

P = 1/F

-40 = 1/F

F = -1/ 40

.: focal length is - 1/ 40 .

Hope it helps you :--)

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