Question

A wave travels at a frequency of 387 Hz. What is
the period of the wave?
​

Answer 1

¹/₃₈₇ second

Step-by-step explanation:

The period of a wave is the reciprocal of its frequency.

So, simply, the frequency is ¹/₃₈₇ second(s), as that is the reciprocal of the frequency, 387 Hz.