Science, asked by tjfkroerhtntm, 1 day ago

Power of lens is -4D, its focal length is

Answers

Answered by majhibiswajit0401

1

Answer:

Formula of Power

The power of a lens is equal to the reciprocal of its focal length in meters.

Answered by thehighriser

4

Answer:

-25 cm is the answer

Explanation:

F = 1/P

⇒ P = 1/F

⇒ P = -100/4 = -25 cm

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