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 ?

Related Mcqs:

1. 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

2. 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

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

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

4. 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

5. 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

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

   A. Drag force of air
   B. Gravity
   C. Tension in the string
   D. None of these

8. The frequency of the second pendulum is________________?

   A. 1 hertz
   B. 0.5 hertz
   C. 1.5 hertz
   D. 2.5 hertz

9. 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

10. Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?

    A. One
    B. Two
    C. Four time
    D. None of these