41. Two identical wires of rubber and iron are stretched by the same weight, then the number of atoms in the iron wire will be
(a) Equal to that of rubber
(b) Less than that of the rubber
(c) More than that of the rubber
(d) None of the above
Answer-c
(14)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (126)