Class 11PhysicsOscillationsDifferent types of oscillations (Free, Damped, Forced Oscillation and Resonance)
EasyWhich of the following statements regarding the damping force of a damped oscillator is $NOT$ correct?
- ADamping force depends on the nature of the surrounding medium.
- BDamping force is generally proportional to the velocity of the body making oscillations.
- CDamping force acts in the direction of the velocity of the body.
- DThe ratio of the damping force to the velocity of the body depends on the size and shape of the body.
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Similar Questions
In forced oscillations,a particle oscillates simple harmonically with a frequency equal to
Easy
View SolutionWrite the practical examples of resonance.
Easy
View SolutionFor the damped oscillator shown in the figure,the mass $m$ of the block is $200 \; g$,$k = 90 \; N m^{-1}$,and the damping constant $b$ is $40 \; g s^{-1}$. Calculate:
$(a)$ the period of oscillation,
$(b)$ the time taken for its amplitude of vibrations to drop to half of its initial value,and
$(c)$ the time taken for its mechanical energy to drop to half its initial value.
$(a)$ the period of oscillation,
$(b)$ the time taken for its amplitude of vibrations to drop to half of its initial value,and
$(c)$ the time taken for its mechanical energy to drop to half its initial value.
Difficult
View SolutionResonance is an example of
The amplitude of a damped oscillator becomes half in $1$ minute. The amplitude after $3$ minutes will be $\frac{1}{x}$ times the original. Then $x$ is
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