Simple Harmonic Motion 5 Question 2
2. A damped harmonic oscillator has a frequency of 5 oscillations per second. The amplitude drops to half its value for every 10 oscillations. The time it will take to drop to
(2019 Main, 8 April II)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 2. (a)
Solution:
- Given, frequency of oscillations is
So, time for 10 oscillations is
Now, if
Now, when amplitude is
[using Eq. (i)]
