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The force required to increase the lengt...

The force required to increase the length to twice of the original length of the wire is (Given that the cross section of wire is `1 cm^3` and young's modulus is `2 xx 10^11 N/m^2`

A

`2 xx 10^7 N`

B

`1.5 xx 10^7 N`

C

`1 xx 10^7 N`

D

`2.5 xx 10^7 N`

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