Question

a person having a myopic eye uses a concave lens of focal length 10 cm .what is the power of the lens?

Answer 1

hello@

here is u r answer##


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solutions

the lens used is a concave lens ,its focal length is given by

f = -10 cm

power = 100 / f cm

= 100 / 40

= -10D

thus , the power of the lens is -10D.


answer = -10D

I hope help u

Answer 2

heya answer is here..........


hope it helps u dear