Question

What is the period of vibration of a wave that vibrates 3 times each second?

3 seconds
0.3 seconds
0.03 seconds
30 seconds

Answer 1

If the wave vibrates 3 times per second, it means it completes its period in a third of a second. This means that the period of vibration of a wave that vibrates 3 times each second is 0.3 seconds.