Properties of matterEasy
Question
When a weight of 10 Kg is suspended from a copper wire of length 3 meters and diameter 0.4 mm, its length increases by 2.4 cm. If the diameter of the wire is doubled, then the extension in its length will be :
Options
A.9.6 cm
B.4.8 cm
C.1.2 cm
D.0.6 cm
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