Q. 284.0( 5 Votes )

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Answer :

(a) She is suffering from myopia since the power of lens is negative.

(b) Focal length


So, f = 1/(-4.5) = -0.22m = -22cm


So, focal length of the corrective lens should be -0.22m or -22cm.


(c) The corrective lens should be concave in nature.


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