Respuesta :

Answer:

0.05s

Explanation:

frequency = speed / wavelength = 20/1 = 20Hz. Thus period = 1/f = 1/20 = 0.05 s

Frequency = speed / wavelength = 20/1 = 20Hz.

Thus period = 1/f = 1/20 = 0.05 s

What is frequency?

Frequency is the number of waves that pass a fixed point in unit time.

What is time period?

The period of a wave is the time for a particle on a medium to make one complete vibrational cycle.

Hence to know more about period here

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