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. Why do short sighted persons use concave lenses in spectacles?

(a) Concave lens can focus the image of the far off object
on the retina

(b) Concave lens gives a clear vision

(c) Concave lens gives erect image

(d) None of these



. Why do short sighted persons use concave lenses in spectacles? (a) Concave lens can focus the i..

Answer / guest

(a) Concave lens can focus the image of the far off object
on the retina

Is This Answer Correct ?    4 Yes 2 No

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