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AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The Young's modulus of a rubber string of length $$12 \mathrm{~cm}$$ and density $$1.5 ~\mathrm{kgm}^{-3}$$ is $$5 \times 10^8 ~\mathrm{Nm}^{-2}$$. When this string is suspended vertically, the increase in its length due to its own weight is (Take, $$g=10 \mathrm{~ms}^{-2}$$ )

A
$$2.16 \times 10^{-10} \mathrm{~m}$$
B
$$9.6 \times 10^{-11} \mathrm{~m}$$
C
$$9.6 \times 10^{-3} \mathrm{~m}$$
D
$$2.16 \times 10^{-3} \mathrm{~m}$$
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