In case of a simple pendulum, the cause of damping is__________________?

Related Mcqs:

1. The force responsible for the vibratory motion of the simple pendulum is_________________?

   A. mg cosθ
   B. mg sinθ
   C. mg tonθ
   D. mg

2. A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

   A. Infinite
   B. T/g
   C. Zero
   D. g/T

3. The restoring force acting on the simple pendulum is given by_______________?

   A. mg sin θ
   B. mg sin θ
   C. mg cos θ
   D. mg cos θ

4. The natural frequency of simple pendulum depends upon_______________?

   A. It’s mass
   B. It’s length
   C. Square of its length
   D. The square root of its length

5. Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?

   A. Amplitude
   B. Square of the amplitude
   C. 2 x amplitude
   D. 4 x amplitude

6. At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?

   A. Increase
   B. Decrease
   C. Remains the same
   D. Is zero

7. A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?

   A. 1/4f
   B. 1/2f
   C. frequency lower than 20 Hz
   D. 2f

8. The time period of a second pendulum is______________?

   A. 4 seconds
   B. 3 seconds
   C. 2 seconds
   D. 6 seconds

9. The length of the second pendulum is________________?

   A. 100 cm
   B. 99 cm
   C. 99.2 cm
   D. 98 cm

10. If the length of the second pendulum becomes four times, then its time period will become________________?

    A. 4 times
    B. 6 times
    C. 8 times
    D. 2 times