Frequency Of Light

Definition

The frequency of light refers to the number of wave cycles that pass a given point per unit time. It determines color in visible light; high-frequency appears violet while low-frequency appears red.

Related terms

Wavelength:

The distance between successive crests or troughs in a wave.

Photon:

A particle representing a quantum (the smallest possible amount)of light or other electromagnetic radiation.

Spectrum: The range over which wavelengths extend, including all colors seen in visible light.