Question

what is period of time??​

Answer 1

Explanation:

a period of time during which someone or something is tested. time frame. a time period during which something occurs or is expected to occur.

Answer 2

$\huge\underline\red{Answer}$

Time period (denoted by 'T' ) is the time taken for one complete cycle of vibration to pass a given point. As the frequency of a wave increases, the time period of the wave decreases. The unit for time period is 'seconds'. The period of a pendulum is the time it takes from one side to the other and back.

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