Physics, asked by masudmuhib786, 1 year ago

find the focal length of a lens of power -2•0 diopter. what type of lens is this.

Answers

Answered by Abegail2111

13

Power of lens=1/f(m)
-2=1/f
f=-1/2
focal length=-0.5 m
The type of lens will be Concave lens..
Hope it works..
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