How is one period defined in terms of wavelength?

One period in the context of a wave is defined as the time it takes for one complete cycle of the wave to pass a given point. This is directly related to the wavelength, which is the spatial distance over which the wave’s shape repeats.

When we refer to one period, we are talking about the duration for a wave to travel through one complete wavelength. Thus, one period corresponds to the distance from one peak of the wave to the next peak, which is a full cycle of the wave's oscillation.

Understanding this relationship helps connect the concepts of time (period) and space (wavelength) in wave mechanics, and is fundamental in fields like acoustics and sound processing. The correct answer aligns with this fundamental definition, highlighting that one period is associated with one complete wavelength.