Question

What is oscillation in a pendulum ? also define time period of the pendulum.

Answer 1

Oscillation is 'to and fro' motion.

The number of seconds taken for one complete oscillation is defined as time period of pendulum.

Answer 2

Heya!!

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One complete to and fro motion of a bob from mean point to extreme point then again to other extreme point and then to mean point known as one oscillation.

Time period means the time taken by pendulum to make one oscillation.

Hope it helps uh :)