The time period of an oscillator in absence of damping is 0.1 second. When it was brought under the influence of a damping force, the time period increased to 0.15 second. After how many oscillations in presence of damping, its amplitude will become half of its initial value. By this time what fraction of energy is dissipated?
Answers
Answer:
E“ Critically Damped: “The condition in which the damping of an oscillator causes it to return as quickly as possible to its equilibrium position without oscillating back and forth about this position. xplanation:
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Explanation:Under Damped: “The condition in which damping of an oscillator causes it to return to equilibrium with the amplitude gradually decreasing to zero; system returns to equilibrium faster but overshoots and crosses the equilibrium position one or more times. “
Critically Damped: “The condition in which the damping of an oscillator causes it to return as quickly as possible to its equilibrium position without oscillating back and forth about this position. “
Over Damped: “The condition in which damping of an oscillator causes it to return to equilibrium without oscillating; oscillator moves more slowly toward equilibrium than in the critically damped system. “