When a stress of 10^(8) Nm ^(-2) is applied to a suspended wire its length increases by 1 mm. Calculate Young's modulus of wire.

When a stress of 10^(8) Nm ^(-2) is applied to a suspended wire its le

1.	When a stress of 10^(8) Nm ^(-2) is applied to a suspended wire its length increases by 1 mm. Calculate Young's modulus of wire.
Answer» Solution :`Y= (F //A)/( Delta L //) = (1 xx 10 ^(8))/( 10 ^(-3)) = 10 ^(11) Nm ^(-2)`