Joule Thomson effect is based upon __________ ?

Related Mcqs:

1. When light incident normally on thin film the path difference depends upon ________________?

   A. thickness of the film only
   B. nature of the film only
   C. angle of indidence only
   D. all thickness nature and angle of incidence

2. Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?

   A. A & B
   B. B & C
   C. A & C
   D. A B & C

3. Inertia is depends upon only?

   A. Velocity
   B. Direction
   C. Mass
   D. Time

   Submitted by: Chakar Hussain Shar

4. Doppler effect applies to____________________?

   A. sound wave only
   B. light wave only
   C. both sound and light waves
   D. neither sound nor light wave

5. Photoelectric effect was given by ____________________?

   A. Hertz
   B. Fresnel
   C. Einstein
   D. Plank

6. Diffraction effect is____________________?

   A. more for a round edge
   B. less for a round edge
   C. more for a sharp edge
   D. less for a sharp edge

7. The effect of the decrease in pressure with the increase of the speed of the fluid in a horizontal pipe is known as______________?

   A. Bernoulli effect
   B. Torricelli effect
   C. Venturi effect
   D. Stokes effect

8. In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

   A. Becomes double
   B. Remains same
   C. Becomes half
   D. First increases then decrease because of the curvilinear graph

9. Reverse process of photoelectric effect is_______________?

   A. pair production
   B. Compton effect
   C. annihilation of matter
   D. X-rays production

10. The turning effect of force is called_________?

    A. Moment
    B. Momentum
    C. Torque
    D. None of these

    Submitted by: Malik Asghar Hussain