Doppler effect applies to____________________?

Related Mcqs:

1. The number of beats produced per second is equal to____________________?

   A. the sum of the frequencies of two tuning forks
   B. the difference of the frequencies of two tuning forks
   C. the ratio of the frequencies of two tuning forks
   D. the frequency of either of the two tuning forks

2. Silence zone takes place due to____________________?

   A. constructive interference
   B. destructive interference
   C. beats
   D. resonance

3. Time rate of change of momentum is equal to____________________?

   A. force
   B. impulse
   C. velocity
   D. both A and C

4. Slope of work time graph is equal to____________________?

   A. displacement
   B. acceleration
   C. power
   D. energy

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. Compton effect proves the________________?

   A. Photon theory of light
   B. Dual nature of light
   C. Wave nature of light
   D. Uncertain nature of light

9. Reverse process of photoelectric effect is_______________?

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

10. Joule Thomson effect is based upon __________ ?

    A. Sudden compression of gases
    B. Sudden expansion of gases
    C. Cooling of gases
    D. Heating of gases

    Submitted by: Rashid Mehmood