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Assertion : To increase the length of a ...

Assertion : To increase the length of a thin steel wire of `0.1 cm^(2)` corss sectional area by `0.1%`, a force of 2000 N is required, its `Y= 200 xx 10^(9) N m ^(-2)`.
Reson : It is calculated by `Y = (F//L)/(Axx DeltaL)`

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