(1) Assertion (A) is True, Reason (R) is True; Reason (R) is a correct explanation for Assertion...

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(1) Assertion (A) is True, Reason (R) is True; Reason (R) is a correct explanation for Assertion (A)
(2) Assertion (A) is True, Reason (R) is True; Reason (R) is not a correct explanation for Assertion (A)
(3) Assertion (A) is True, Reason (R) is False.
(4) Assertion (A) is False, Reason (R) is True.
Assertion (A): To correct the myopia a lens of negative power must be used. It may be concave or may be combination of convex and concave.

Reason (R): In this defect image is formed before the retina. So to correct the eyes defect some divergence on incident rays is needed.
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