S.I unit of frequency is_________________?

Related Mcqs:

1. 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

2. 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

3. Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________?

   A. magnetic flux
   B. magnetic field intensity
   C. magnetic induction
   D. self inductance

4. The frequency of the second pendulum is________________?

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

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

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

6. 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

7. The beats frequency (sensible) for a human car is _____________________?

   A. 42Hz
   B. 7 Hz
   C. 256Hz
   D. 262Hz

8. If capacitance of L-C circuit is made four times then frequency of the circuit becomes___________________?

   A. Twice
   B. One half
   C. Four times
   D. None

9. A 100µF capacitor with a 12V source in series having frequency 50Hz will offer a capacitive reactance of about______________?

   A. 32Ω
   B. 62Ω
   C. 50Ω
   D. 100Ω

10. The frequency of a circuit consisting of a capacitance C and a resistor R is________________?

    A. C/R
    B. R/C
    C. 1/RC
    D. 1/ 2RC