Q.1
An oscillator performsoscillations in 2 minutes. Calculate its frequency and period.
  • T=0.5 sec. f=2 Hz
  • T=0.6 sec. f= 4Hz
  • T=0.4 sec. f=6Hz
  • T=0.2 sec f=3Hz
Q.2
Which of the following is non-oscillatory in nature?
  • Under damped & over damped
  • Critically damped & over damped
  • Critically damped & under damped
  • Forced oscillation & over damped
Q.3
If T1 & T2 are the time period for undamped and under damped oscillation respectively, then
  • T₁ < T₂
  • T₁ > T₂
  • T₁ ≥ T₂
  • T₁ = T₂
Q.4
If relaxation time is 3 sec and quality factor isin case of damped oscillation, then angular frequency is ___________ rad/a.
  • 0.5
  • 2
  • 9
  • 18
Q.5
A particle of massgram subjected to a force constant ofdyne/cm and a damping constant ofgm/sec. If it is displaced through 3 cm before being released, then it is ___________ type of motion.
  • Free
  • Under damped
  • Over damped
  • Critically damped
Q.6
Quality factor of an oscillatory object, of mass 3 gram, isIf mass of the object isgram, keeping other factors constant, then the new quality factor is
  • 5
  • 10
  • 20
  • 40
Q.7
Total energy in case of damped oscillation during oscillation
  • increases exponentially .
  • decreases exponentially .
  • remains constant.
  • either increases or remains constant.
Q.8
For a system in oscillation, which of the following is the number of cycles or vibrations in one second?
  • amplitude
  • period
  • frequency
  • revolution
Q.9
Oscillation, which of the following is the time required to complete a cycle of motion?
  • amplitude
  • period
  • frequency
  • revolution
Q.10
In any system in SHM, the restoring force acting on the mass in the system is proportional to
  • the displacement
  • the length of the pendulum
  • the mass
  • the frequency
0 h : 0 m : 1 s