Q 11-13-033NEETJEE MainEasy
In damped oscillations of a lightly damped oscillator, which quantity decreases exponentially with time?
Answer: (C) amplitude
For light damping, $x = A_0e^{-bt/2m}\cos(\omega' t + \phi)$. The amplitude decays exponentially, while the frequency stays (almost) constant.
Solution by Sreeraj P, M.Sc Physics