A thick copper rope of density 1.5\times10^3kg \text{/}m^3 and Young’s modulus 5\times108Nm^2 is 8m in length.When hung from the ceiling of a room, the increase in its length due to its own weight is (g=10 ms^{−2})

Correct Answer is : 9.6×10−4m

NEET Exam Model Paper 5

Question : 103 of 180

Marks: +1, -0

A thick copper rope of density 1.5×103kg/m3 and Young’s modulus 5×108Nm2 is 8m in length.When hung from the ceiling of a room, the increase in its length due to its own weight is (g=10ms−2)

9.6×10−4m
19.2×10−7m
9.6×10−3m
9.6m

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