Numerical value of Boltzmanns constant is______________?

Related Mcqs:

1. 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

2. 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

3. The value of R ( Universal Gas Constant ) = ___________?

   A. 8.314 J/mole K
   B. 6.5  J/mole K
   C. 1.314 J/mole K
   D. 10.314 J/mole K

   Submitted by: Faheem Zaman Dhaunroo

4. At constant temperature the graph between V and 1/P is_____________?

   A. Hyperbola
   B. Parabola
   C. A curve of any shape
   D. A straight lime

5. If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of______________?

   A. Boyles law
   B. Charles law
   C. Ideal gas law
   D. Avagadros law

6. If the volume of a gas is held constant and we increase its temperature then_______________?

   A. its pressure is constant
   B. its pressure rises
   C. its pressure falls
   D. any of above

7. A capacitor of capacitance 30µF is charged by a constant current of 10mA. If initially, the capacitor was uncharged what is the time taken for the potential difference across the capacitor to reach 300V ?

   A. 0.9sec
   B. 15 sec
   C. 1.5x105sec
   D. 0.9x102sec

8. A body can have constant velocity when it follows a_____________?

   A. Elliptical path
   B. Circular path
   C. Parabolic path
   D. Rectilinear path

9. The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________?

   A. π
   B. 3π
   C. 6π
   D. 12π

10. An object travels at constant speed around a circle of radius 1.0 m in 2.0 seconds. What is the magnitude of its acceleration?

    A. 0
    B. π²
    C. 2 π²
    D. 4 π²

    Submitted by: Tauseef Ali