The length of a rod is 20 cm and area of cross section `2cm^2`. The Young's modulus of the amterial of wire is `1.4xx10^11(N)/(m^2)`. If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be

The length of a rod is 20 cm and area of cross-section 2 cm^(2) . The Young's modulus of the material of wire is 1.4 xx 10^(11) N//m^(2) . If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be

The length of a rod is 20 cm and area of cross-section 2 cm^(2) . The Young's modulus of the material of wire is 1.4 xx 10^(11) N//m^(2) . If the rod is compressed by 5 kg-wt along its length, then increase in the energy of the rod in joules will be

A brass rod has length 0.2m area of cross section 1.0cm^2 and Young's modulus 10^11Nm^(-2) If it is compressed by 5kg. wt along its length then the change in its energy will be

The area of a cross section of steel wire is 0.1cm^2 and Young's modulus of steel is 2xx10^(11)Nm^-2 . The force required to strech by 0.1% of its length is

If the young's modulus of the material of the rod is 2 xx 10^(11) N//m^(2) and its density is 8000 kg//m^(3) then the time taken by a sound wave to traverse 1m of the rod will be

The area of cross-section of steel wire is 0.1 cm^(2) and Young's modulus of steel is 2 times 10^(11)N" "m^(-1) . The force required to stretched by 0.1% of its length is

The area of a cross-section of steel wire is 0.1 cm^(-2) and Young's modulus of steel is 2 x 10^(11) N m^(-2) . The force required to stretch by 0.1% of its length is

The area of a cross-section of steel wire is 0.1 cm^(-2) and Young's modulus of steel is 2 x 10^(11) N m^(-2) . The force required to stretch by 0.1% of its length is

A brass rod of cross sectional area 1cm^2 and length 0.2m is compressed lengthwise by a weight of 5kg . If Young's modulus of elasticity of brass is 1xx10^(11)(N)/(m^2) and g=10(m)/(sec^2) Then increase in the energy of the ro will be

A 20 N stone is suspended from a wire and its length changes by 1% . If the Young's modulus of the material of wire is 2xx10^(11)N//m^(2) , then the area of cross-section of the wire will be