Which of the following is correct about damped oscillations ?

Amplitude of oscillations decreases linearly.

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Energy of oscillations remains constant.

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Amplitude of oscillations decreases exponentially.

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Frequency of oscillations decreases linearly.

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Solution

The correct option is C Amplitude of oscillations decreases exponentially.
Theoretically,
$A = A_{o} e^{- b t / 2 m} {\begin{matrix} b = d a m p i n g c o n s t a n t m = m a s s \end{matrix}}$

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