Science, asked by vishal354, 1 year ago

a person uses the length of -3.5 diopter doctor prescribes him the correction of 0.5 d of near point vision in its bifocal lens (i) what is the focal length of lens used to see distsnt object(ii) what is the focal length of near point lens

Answers

Answered by DJMistry712
1
(i)-3.5D
(ii)0.5D
-3.5 D represents concave lens. 0.5 D represents convex lens.
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