A magnifying glass is to be used at the fixed object distance of 1 inch. If it is to produce an ...
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0A magnifying glass is to be used at the fixed object distance of 1 inch. If it is to produce an erect image magnified 5 times its focal length should be
(A) \( 0.2 \) inch
(B) \( 1.25 \mathrm{inch} \)
(C) \( 0.8 \) inch
(D) 5 inch
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