What term describes the number of waves that pass a point in a specific time frame?

The term that describes the number of waves that pass a point in a specific time frame is frequency. Frequency quantifies how often a repeating event occurs within a specified duration, typically measured in hertz (Hz), where one hertz equals one cycle per second. This concept is essential to understanding wave behavior in various contexts, such as sound and light waves, where frequency determines characteristics like pitch in sound or color in light.

The other terms provide different but related aspects of wave properties. Amplitude refers to the maximum extent of a wave's displacement from its rest position, essentially measuring the height of the wave. Wavelength is the distance between successive crests (or troughs) of a wave, determining the space each wave occupies. Period is the duration it takes for one complete wave cycle to pass a given point, which is inversely related to frequency. Understanding these distinctions enhances comprehension of wave dynamics in various scientific applications.