The Young's modulus of steel is `1.9 xx 10^(11) Nm^(-2)` . Calculate its value in dyne `cm^(-2)`.

(i) The density of a meterial is 0.8 g cm^(-3). Its value in SI units is …… . (ii) The Young's modulus of steel is 1.9xx10^(11) N//m^2. Its value in CGS units is …… .

Young 's modulus of steel is 2.0 xx 10^(11)N m//(2) . Express it is "dyne"/cm^(2) .

If the Young's modulus of steel is 2xx10^(11) Nm^(-2) , calculate the work done in stretching a steel wire 100 cm in length and of cross-sectional area 0.03 cm^(3) when a load of 20 kg is slowly applied without the elastic limit being reached.

What will be the change in interatomic distance ( in Å ) of steel on applying a stress of 10^(9) N//m^(2) . The Young's modulus of steel is 2 xx 10^(11) N//m^(2) and the interatomic distance in steel is 2.8Å .

Young's modulus of a metal is 21xx10^(10)N//m^(2) . Express it in "dyne/cm"^(2) .

A student obtained the value of Young's modulus of steel as 1.9xx10^(11)N//m^(2) while the standard value of Y is 2.1xx10^(11)N//m^(2) . What is the percentage error in his measurement?

A steel wire is 4.0 m long and 2 mm in diameter. Young’s modulus of steel is 1.96 xx 10^(11) N//m^(2) . If a mass of 20 kg is suspended from it the elongation produced will be-

A steel wire 4.0 m in length is stretched through 2.0 mm. The cross-sectional area of the wire is 2.0 mm^(2) . If young's modulus of steel is 2.0 xx 10^(11) Nm^(-2) , then find the energy density of wire.