Answer Posted / manoj sain
Oscillation is the repetitive variation, typically in time,
of some measure about a central value (often a point of
equilibrium) or between two or more different states.
Familiar examples include a swinging pendulum and AC power.
The term vibration is sometimes used more narrowly to mean
a mechanical oscillation but sometimes is used to be
synonymous with "oscillation." Oscillations occur not only
in physical systems but also in biological systems and in
human society.
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