Answered

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George is studying a mechanical wave. He counts thirty crests of the wave pass through a point in 10 seconds.

If What is the frequency of this wave?
Select one:

2 Hz.

20 Hz.

3 Hz.

30 Hz.

Sagot :

Answer:

Option C

Explanation:

Frequency determines the number of waves that pass through any defined point in a given time period.

Frequency of 1 hertz means that one wave travels through a given point in one second.

By the above definition, we can say

Frequency

[tex]= \frac{30}{10} \\=3[/tex]

Hence, option C is correct

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