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

Related Mcqs:

1. The number of categories in which physical quantities are divided is_____________?

   A. 1 B. 2 C. 3 D. 4...

2. A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2

   A. 22N B. 16N C. 20N D. 4N Submitted by: Huzaifa Naseer...

3. 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...

4. Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

   A. magnetic flux B. magnetic field intensity C. magnetic induction D. self inductance...

5. Which of the following pairs does not have identical dimensions ?

   A. Torque and energy B. Momentum and impulse C. Energy and work D. Mass and moment of inertia...

6. Coercive force is the force which opposes ____________________?

   A. Demagnetization B. Breakage C. Extension D. Surface cracking...

7. The power is the dot product of ___________ quantities.

   A. Force and time B. Force and velocity C. Force and speed D. None of these Submitted by: Muhammad Hassan...

8. What are the dimensions of stress ?

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

9. Two identical metal balls with charges + 2Q and – Q are separated by some distance, and exert a force F on each other. They are joined by a conducting wire, which is then removed. The force between them will now be_________?

   A. F B. F/2 C. F/4 D. F/8 Submitted by: Tauseef Ali...

10. The SI unit of force constant is identical with that of__________________?

    A. Force B. Pressure C. Surface tension D. Loudness...