When a steel wire is subject to a stress of `3.8xx10^(5) N//m^(2)`, its length is increased by 2 part in a million. The Young's modulus jof steel is

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.

On applying a stress of 20 xx 10^(8) N//m^(2) the length of a perfectly elastic wire is doubled. It Young's modulus will be

A metal wire is observed to stretch by one part in a million when subjected to a stress of 8xx10^(4)N//m^(2) . The Young's modulus of the metal is

A wire increases by 10^(-3) of its length when a stress of 1xx10^(8)Nm^(-2) is applied to it. What is the Young's modulus of the material of the wire?

On applying a stress of 20 xx 10^8 N/m^2 , the length of a perfectly elastic wire is doubled. Its Young's modulus will be

A uniform wire of steel of length 2.5m and density 8.0gcm^(-3) weighs 50g. When stretched by a force of 10kgf , the length increases by 2mm. Calculate Young's modulus of steel.

A wire having Young's modulus 1.2xx10^(11) N//m^(2) is subjected to the stress of 2.4xx10^(7) N//m^(2) . If the length of the wire is 10m, the extension produced in it is

A steel wire of length 4 m and diameter 5 mm is stretched by kg-wt. Find the increase in its length if the Young's modulus of steel wire is 2.4 xx 10^(12) dyn e cm^(-2)

A steel rod of length 5 m is fixed between two support. The coefficient of linear expansion of steel is 12.5 xx 10-6//^(@)C . Calculate the stress (in 10^(8) N//m2 ) in the rod for an increase in temperature of 40^(@)C . Young's modulus for steel is 2 xx 10^(11) Nm^(-2)

A steel wire of length 4 m and diameter 5 mm is strethed by 5 kg-wt. Find the increase in its length, if the Young's modulus of steel is 2xx10^(12) dyne cm^(2)