Which one of the following physical quantities does not have the dimensions of force per unit area ?

Related Mcqs:

A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

A. FE B. (FE) C. FE2/L D. FE2...

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....

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)...

Energy needed to magnetize and demagnetize is represented by _________________?

A. Hysteresis curve B. Hysteresis loop area C. Hysteresis loop D. Straight line...

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...