What is the Definition of Light?

Answer:

• Light, often known as visible light, is electromagnetic radiation that falls within the region of the electromagnetic spectrum that the human eye can perceive
• Between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths), visible light has wavelengths of 400–700 nanometres (nm), corresponding to 750–420 terahertz frequency (with shorter wavelengths)