Question

The number of rarefactions and compressions that occur per unit time is known as the frequency of a sound wave. Please Explain.

Answer 1

Explanation:

Its SI unit is hertz (symbol, Hz). The time taken by two consecutive compressions or rarefactions to cross a fixed point is called the time period of the wave. In other words, we can say that the time taken for one complete oscillation in the density of the medium is called the time period of the sound wave

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Answer 2

Frequency is a basic term used in sound.

Where in which it tells the number of waves passing through a FIXED point in the given time.

it is the inverse of time period which means the time taken to produce 1 wave