1.

A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing : (a) concave lenses (b) plane lenses (c) contact lenses (d) convex lenses

Answer» A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing :
(a) concave lenses (b) plane lenses (c) contact lenses (d) convex lenses


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