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The Young's modulus of a rubber string 8...

The Young's modulus of a rubber string 8 cm long and density `1.5kg//m^(3)` is `5xx10^(8)N//m^(2)` is suspended on the ceiling in a room. The increase in length due to its own weight will be-

A

`9.6xx10^(-5)m`

B

`9.6xx10^(-11)m`

C

`9.6xx10^(-3)m`

D

`9.6m`

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The correct Answer is:
B
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ALLEN -ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 1 (Elasticity)
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