Light is the part of electromagnetic radiation that can be perceived by the human eye. In physics, the term light is considered an oscillating or moving electromagnetic wave that allows us to see objects, as part of the field of radiation known as the electromagnetic spectrum, while the term visible light specifically indicates radiation in the visible spectrum. Light, like all electromagnetic radiation, is made up of massless elementary particles called photons, whose properties according to the wave-particle duality explain the characteristics of their physical behavior.Examples of light: