It's "period"
This is called the "period".
vibration of particles in a medium
Rarefaction
wavelength
It's "period"
This is called the "period".
vibration of particles in a medium
surface waves
vibration of particles in a medium
a sweeping motion
Rarefaction
Long ago or old
My balls you Motherf***er
Essay
A sound wave describes noise. Source: university chemistry
wavelength