Question

what is sound wave what is its SI unit​

Answer 1

Answer:

Wavelength : It is defined as the distance travelled by a wave during the time a particle of the medium completes one vibration. It is denoted by k. Its SI unit is metre.

Frequency: It is the number of occurrences of a repeating event per unit of time. Its SI unit is Hertz (Hz).

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Answer 2

Answer:

It is defined as the maximum displacement produced in the vibrating particle on either side of the mean position. It is denoted by A. Its SI unit is metre. Wavelength : It is defined as the distance travelled by a wave during the time a particle of the medium completes one vibration. ... Its SI unit is metre.