In a damped harmonic oscillator, periodic oscillations have __________ amplitude.
A
Gradually increasing
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B
Suddenly increasing
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C
Suddenly decreasing
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D
Gradually decreasing
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Solution
The correct option is D Gradually decreasing Depending on the friction coefficient, the system can oscillate with a
frequency lower than in the non-damped case, and an amplitude gradually decreasing
with time (underdamped oscillator) .