The Youngs modulus of a rubber string of length 12 {\cm} and density 1.5 {\kgm}^{-3} is 5 \\times10^{8} {\Nm}^{-2}. When this string is suspended vertically, the increase in its length due to its own weight is ______ . (take g=10 {\ms}^{-2})

Correct Answer is : 2.16×10−10m

AP EAPCET 19-Aug-2021 Shift 1 Paper

Section: Physics

Question : 97 of 160

Marks: +1, -0

The Youngs modulus of a rubber string of length 12‌cm and density 1.5kgm−3 is 5×108Nm−2. When this string is suspended vertically, the increase in its length due to its own weight is ______ . (take g=10ms−2)

2.16×10−10m
9.6×10−11m
9.6×10−3m
2.16×10−3m

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