Answer:
the distance between peaks of a wave
Step-by-step explanation:
A wave is characterized by regular crests (peaks) and troughs (valleys). The wavelength of a wave is essentially the distance between two crests or two peaks. It is represented by the greek letter lambda, λ.
For a wave travelling with a speed c and having a frequency ν, the wavelength is given by the ratio of speed to the frequency. Mathematically it can be represented by the following formula:
