Question

what do you mean by frequency of sound what is its SI unit ​

Answer 1

Explanation:

Frequency in a sound wave refers to the rate of the vibration of the sound travelling through the air. The SI unit of frequency is the hertz (Hz)

Answer 2

requency is the number of times a point on a wave passes a fixed reference point in one second. The period or duration of time of a cycle of a wave is the reciprocal (1 divided by) of frequency. The SI unit for frequency is the Hertz (Hz), which is equivalent to the older unit cycles per second