Two fog droplets have radius 2:3 their terminal velocities are_______________?

Related Mcqs:

1. A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

   A. independent mass m
   B. directly proportional to m
   C. directly proportional to q
   D. directly proportional to B

2. Instantaneous and average velocities become equal when body___________________?

   A. has zero acceleration
   B. has uniform acceleration
   C. has variable acceleration
   D. moves in a circle

3. When average and instantaneous velocities become equal then body possess_______?

   A. Uniform Velocity
   B. Variable Velocity
   C. Uniform Acceleration
   D. Variable Acceleration

   Submitted by: Zahid Jagirani

4. Terminal velocity is_____________?

   A. Uniform
   B. Maximum
   C. Uniform and maximum
   D. Neither uniform nor maximum

5. When the body moves with terminal velocity the acceleration in the body become_____________?

   A. 0
   B. Maximum
   C. Variable
   D. Infinite

6. Terminal velocity is given by equation_______________?

   A. Vt = gr2ρ
   B. Vt = 2gr2/9ρ
   C. Vt = gr2/9ρ
   D. Vt = 9gr2/2ρ

7. Terminal velocity of the body is directly proportional to the_______________?

   A. The radius of the body
   B. The diameter of the body
   C. Size of the body
   D. Square of the diameter of the body

8. In the following figure, the terminal potential is ___________________ ?

   A. zero
   B. 2V
   C. 12V
   D. 36V

9. pure resistor circuit the voltage and current are_______________?

   A. Lagging each other
   B. They are at 90? phase difference
   C. They have zero phase difference
   D. No phase difference

10. The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?

    A. The light emitting diodes
    B. Photo diodes
    C. Photo voltaic cell
    D. Solar cells.