SHMEasy
Question
When an oscillator completes 200 oscillations, its amplitude remains 1/3 of initial value. The amplitude will be how much times of its initial value, when it completes 400 oscillations :-
Options
A.1/8
B.2/3
C.1/6
D.1/9
Solution
It is example of damped oscillation, so apply X = Xme-rt
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