Product of time period and frequency is ____________?

Related Mcqs:

1. The product of the frequency and time period is equal to_________________?

   A. 1
   B. 2
   C. 3
   D. 4

2. 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

3. 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

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. Product of wavelength and time period is _______________?

   A. Frequency
   B. Velocity
   C. Time period
   D. Wavelength

   Submitted by: Chakar Hussain Shar

6. The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

   A. 30°
   B. 45°
   C. 60°
   D. 180°

7. An alternating current of the r.m.s value of 4.0 A and frequency 50Hz flows in a circuit containing a 10Ω resistor. The peak current is then ?

   A. 20A
   B. 20.66A
   C. 6.66A
   D. 5.66A

8. An alternating current is represented by the equation I = I∫sinπt which of the following equation represents an alternating current of frequency and amplitude twice that of the above current ?

   A. I = 2I∫Sin(πt/2)
   B. I = 2I∫Sin(2πt)
   C. I = 2ISinπt
   D. I = I∫sin(2πt)

9. A wire of resistance R is coiled inductively so that its inductance is L. The impedance of the coil at a frequency of f is_______________?

   A. (R+2πfL)
   B. R+1/2πfL
   C. (R2+f2L2)
   D. (R2+4π2f2L2)

10. S.I unit of frequency is_________________?

    A. Vibration S-2
    B. Radian
    C. Hertz
    D. ms-1