Home
Class 11
PHYSICS
The youngs modulus of the material of a ...

The youngs modulus of the material of a rod is `20xx10^10` pascal. When the longitudinal strain is 0.04%, The energy stored per unit volume is

A

`4xx10^(-3)J//m^(3)`

B

`8xx10^(3)J//m^(3)`

C

`16xx10^(-3)J//m^(3)`

D

`16xx10^(3)J//m^(3)`

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Similar Questions

Explore conceptually related problems

The poisson ratio for the material of a wire is 0.4. When a force is applied on the wire, longitudinal strain is (1/100) . The perecentage change in the radius of the wire is

Each of three blocks shown in figure has a mass 3kg. The wire connecting, blocks A and B has area of cross-section 0.005 cm^2 and Young's modulus of elasticity Y = 2xx10^11 N//m^2 . Neglect friction. Find the elastic potential energy stored per unit volume in wire connecting blocks A and B in steady state

If Young.s modulus of the material of a wire is 1.2xx10^(11) Nm^(-2) , calculate the work done in stretching the wire of length 3 m and cross-sectional area 4mm^(2) when it is suspended vertically and a load of 8 kg is attached to its lower end.

Under the application of force, a steel wire ( Y = 19xx10^10 N m^-2 ) of 5 m in length suffers an elongation of 1 mm. The potential energy stored per unit volume in this process, in J//m^3 is

Two wires of same radius and length are subjected to the same load. One wire is of steel and the other is of copper. It the Young's modulus of steel is twice that of copper, the ratio of elastic energy stored per unit volume in steel to that of copper wire is

A metal rod of Young's modulus 2 xx 10^10 Nm^(-2) undergoes an elastic strain of 0.02% the energy per unit volume stored in the rod in joule/ m^3 is

A material has poissons ratio 0.5. If a uniform rod of it suffers a longitudinal strain of 2xx 10^(-3) , then the percentage increase in its volume is

The young's modulus of a material is 2xx10 ^(11) N//m^2 and its elastic limit is 1xx10 ^(8) N//m ^2 for a wire of 1m length of this material , the maximum elongation achievable is