To understand where black falls on the color spectrum, first consider what light actually is. Light is radiation visible to the human eye Light is energy called electromagnetic radiation.

Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense, but ...

Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum ... visible light contains the limited range of frequencies that can be detected by the human eye: ...

Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum ... visible light contains the limited range of frequencies that can be detected by the human eye: ...