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When a wire 2 m long and 0.05 cm^(2) in ...

When a wire 2 m long and `0.05 cm^(2)` in cross-section is stretched by a mass of 2 kg, it increases in length by 0.04 mm. Young's modulus of the material of the wire is
`(g=10ms^(-2))`

A

`2xx10^(9)Nm^(-2)`

B

`20xx10^(10)Nm^(-2)`

C

`20xx10^(11)Nm^(-2)`

D

`20xx10^(8)Nm^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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