Question

When a person plucks a guitar string, the number of half wavelengths that fit into the length of the string determines the _______ of the sound produced.

Answer 1

Frequency

Step-by-step explanation:

Each half wavelength has a point of largest amplitude (aka a node). Depending on the wavelength each node oscillates at a certain rate of swings per unit of time. The latter is referred to as frequency and measure in Hertz [Hz].