Question

oscillation define class 7 ch 13 science​

Answer 1

Oscillation is the repetitive variation, typically in time, of some measure about a central value or between two or more different states. The term vibration is precisely used to describe mechanical oscillation. Familiar examples of oscillation include a swinging pendulum and alternating current. 

Answer 2

Answer:

Oscillation: The motion of pendulum starting from one extreme end to another extreme end and back to the first extreme end is called one oscillation.

Explanation:

EXAMPLES :

1. Swing
2. Pendulum Clock
3. Freely hanging Bob
4. tides in sea