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Physics Mcqs

Forced vibration is known as_____________________?

  • (A)  Simple harmonic vibration
  • (B)  Natural vibration
  • (C)  Driven harmonic vibration
  • (D)  Free vibration
Submitted By :Ali Uppal


In damped harmonic oscillation which one decreases ?

  • (A)  Amplitude of vibration
  • (B)  Energy of vibration
  • (C)  Both amplitude and energy
  • (D)  Neither amplitude nor energy
Submitted By :Ali Uppal


When K.E energy of SHM is maximum its__________________?

  • (A)  P.E is zero
  • (B)  Acceleration is zero
  • (C)  Restoring force is zero
  • (D)  All P.E acceleration and restoring force are zero
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


Electrical resonance is observed in_______________?

  • (A)  Radio
  • (B)  Microwave oven
  • (C)  Both in radio and microwave oven
  • (D)  Neither in radio nor in a microwave oven
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


The sharpness of resonance is__________________?

  • (A)  Directly proportional to the damping force
  • (B)  Inversely proportional to the damping force
  • (C)  Equal to the square of damping force
  • (D)  Equal to the square of damping force
Submitted By :Ali Uppal


The phase of SHM describes________________?

  • (A)  Displacement only
  • (B)  The direction of motion only
  • (C)  Both displacement and direction of motion
  • (D)  Neither displacement nor direction of motion
Submitted By :Ali Uppal


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
Submitted By :Ali Uppal


Submitted By :Ali Uppal