The ration stress to strain in youngs modulus of the material then tension is__________________?

Related Mcqs:

1. When a force is applied at one end of an elastic wire it produces at strain ∝ in the wire. If y is the youngs modulus of the material of the wire the amount of energy stored per unit volume of the wire is given by_________________?

   A. Y∝ B. 2Y∝ C. Y∝/2 D. Y∝2...

2. A rubber cord of cross-sectional area 2cm2 has a length of 1m. When a tensile force of 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber ?

   A. 2×108 Nm-2 B. 5×106 Nm-2 C. 0.5×10-6 Nm-2 D. 0.2×10-6Nm-2...

3. A uniform steel wire of length 4m and area of cross-section 3×10-6m2 is extended by 1mm by the application of a force. If the youngs modulus of steel is 2×1011 Nm-2 the energy stored in the wire is___________________?

   A. 0.025J B. 0.50J C. 0.75J D. 0.100J...

4. A certain stress applied to an elastic material produces a certain strain in it. If the elastic limit is not exceeded the energy gained per unit volume of the material is given by_________________?

   A. Stress/strain B. (stress/strain) C. Stress x strain D. (Stress / strain)...

5. A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?

   A. (F1+F2) (121+122) B. (F1+F2) (122-112) C. (F1+F2) (12-11) D. (F1+F2) (12-11)...

6. A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be_____________?

   A. πR B. 2π R C. 0 D. 4πR...

7. What is the SI unit of modulus of elasticity of substance ?

   A. Nm-2 B. Jm-2 C. Nm-1 D. Being a number it has no unit....

8. The dimension of elastic modulus is ___________________ ?

   A. ML-1T-2 B. ML-2T-2 C. MLT-2 D. ML2T-2...

9. Young’s modulus is the property of __________?

   A. Gas only B. Liquid only C. Solid only D. All of the above Submitted by: Naveed Tahir...

10. A bird sitting on a high tension electric wire does not get electrocuted because:

    A. Sit has high resistance B. the body is earthed C. it does not form a closed path for the flow of current D. its feet are good insulators Submitted by: Abid Hussain...