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Amplitude of a damped oscillator decreas...

Amplitude of a damped oscillator decreases up to 0.6 times of its initial value in 5 seconds. In next 10 seconds, it decreases upto `'alpha'` times of its intial value where `'alpha'` is equal to ?

A

0.729

B

0.6

C

0.7

D

0.81

Text Solution

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The correct Answer is:
A
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