Properties of matterEasy
Question
An iron wire of length 4 m and diameter 2 mm is loaded with a weight of 8 kg. If the Young′s modulus ′Y′ for iron is 2 × 1011 N/m2 then the increase in the length of the wire is :-
Options
A.0.2 mm
B.0.5 mm
C.2 mm
D.1 mm
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