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Resonant vibration is a special case of

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Important Questions on Oscillations

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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 45
The equation md2ydt2+bdydt+ω2y=0 represents the equation of motion for a
 
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 46
The amplitude of a damped oscillator decreases to 0.9 times its original magnitude in 5 s. In another 10 s it will decrease to α times its original magnitude, then α is equal to
 
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 47
The decrease in amplitude with time of an under damped oscillator is
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 48
Two simple pendulums of length 5 m and 20 m, respectively, are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed ___ oscillations.
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 49
A particle executes Simple Harmonic Motion (SHM) on a straight line path. The amplitude of oscillation is 2 cm. When the displacement of the particle from the mean position is 1 cm, The numerical value of magnitude of acceleration is equal to the numerical value of magnitude of velocity. Then, find out the frequency of SHM.
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 50
At a particular position, the velocity of a particle in SHM with amplitude a is 32 times at its mean position. In this position, its displacement from the mean position is
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 51
The time period of an oscillator is 8 s. The phase difference from t=2 s  to t=4 s will be
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Physics Crash Course NEET>Chapter 10 - Oscillations>Level 2>Q 52
Two particles execute SHM of same amplitude and frequency along the same straight line. They pass one another when going in opposite directions, each time their displacement is half of their amplitude. The phase difference between them is: