Verified Answer :

AL2006

You just told us how many times per second the wave oscillates. That's a definition of frequency. So the frequency of this wave is 50 per second or 50 hertz.

Answer: The frequency of the wave is 0.02 Hertz.

Explanation:

Frequency is a parameters which describe a wave. This is defined as the number of oscillations happening per unit second.

Mathematically,

\(Frequency=\frac{1}{\text{Number of oscillations}}\)

In the question,

Number of oscillations happening per second = 50

Putting this value in above equation, we get:

\(Frequency=\frac{1}{50}\\\\ u=0.02Hz\)

Hence, the frequency of the wave is 0.02 Hertz.

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