Frequency is the number of cycles completed by a sound wave in one second, measured as hertz determining the speed of a sound. Read below about a sound wave.
What is a sound wave?
Sound Wave is a wave of compression and rare faction, by which sound is propagated in an elastic medium such as air. Acoustic waves are a type of energy propagation through a medium by means of adiabatic compression and decompression.
Therefore, the correct answers are as given above.
learn more about sound wave:
https://brainly.com/question/1199084
#SPJ12
