Question

Please help.. I am begging

A wave's frequency refers to _____________. *


the number of wavelengths passing by a given point in a period of time

the heigh of a wave as it passes a given point

the length of a wave

the strength of a wave

Answer 1

The length of a wavelength.

Step-by-step explanation:

"A wave frequency refers to..." The length of a wavelength, or how long the wavelength is.

Hope this helped :)