key term - Visible Light

Definition

The range of electromagnetic radiation that can be detected by the human eye, typically with wavelengths between 400 to 700 nanometers.

Related terms

Ultraviolet (UV) Light: Electromagnetic radiation with shorter wavelengths than visible light, not detectable by the human eye but can cause sunburns.

Infrared (IR) Light: Electromagnetic radiation with longer wavelengths than visible light, often used for remote control signals and heat imaging.

Photon:

A particle representing a quantum unit of electromagnetic radiation, including visible light.