Physics, asked by sauban654, 9 months ago

Calculate the focal length of a lens, if its power is - 2-5 D.
OR

Answers

Answered by Prathmesh001

0

Answer:

-40 cm = -0.4 m

Explanation:

P = -2.5 D

f = 1/P = ( 1/-2.5 ) m = 100/- 2.5 cm = -40 cm

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