Physics, asked by sheikrabiya856, 1 month ago

power of lens is -4D, then its focal length is

Answers

Answered by anitawagh1979

0

I don't know thattttttttttttttt

Answered by garimajeengar2006

1

Answer:

Power of the lens is given as P = −4D

P = 1 / 4

⟹ -4 = 1 / f

⟹f = - 1 / 4

⟹ f = -0.25

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