Question

if the power of the -0. 25D , the its focal length is​

Answer 1

if the power of the -0. 25D , the its focal length is

I hope it is helpful

Answer 2

Answer:

given

power = -0.25 D

focal length?

Explanation:

p= 1/f [formula to find power of lens]

f = 1/p

f = 1 / 0.25

so focal length is -4 m

as it is negative sign it is a concave lens

hope it helps.

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