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

Related Mcqs:

1. 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

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. 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

4. According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?

   A. Flow rate
   B. Volume of fluid
   C. Mass of fluid
   D. The density of the fluid

5. Boltzman constant K in terms of universal gas constant R and Avagadros number Na is give as_______________?

   A. K = RNa
   B. K = R/Na
   C. K = Na/Ra
   D. K = nRNa

6. Coercive force is the force which opposes ____________________?

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

7. When two identical traveling waves are superimposed, the velocity of the resultant wave__________________?

   A. decreases
   B. increases
   C. remains unchanged
   D. becomes zero

8. Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?

   A. Each increase
   B. Each decrease
   C. Each remains the same
   D. One increases whereas that in the other decreases

9. 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

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

    A. Stress
    B. Strain
    C. Youngs modulus
    D. Pressure