Problem

Problem

Focal length of a concave mirror is −20-20 cm. Match the object distance given in Column II corresponding to magnification (only magnitude) given is Column I.
Column IColumn II
(a) 2(p) 10 cm
(b) 1/21/2(q) 30 cm
(c) 1(r) 20 cm
(d) 1/41/4(s) None of these

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