Is a black light a uv light?

Not exactly."UV light" refers to light at shorter wavelengths than a human can perceive. If the phrase"UV light" is used to refer to a source of light, that source may include some visible light. On the other hand, the phrase"black light" is used for a source of UV light which excludes any visible light. read more

A blacklight (or often black light), also referred to as a UV-A light, Wood's lamp, or simply ultraviolet light, is a lamp that emits long-wave ultraviolet light and not much visible light. read more

Black lights emit ultraviolet radiation (UV light). UV is radiation with a wavelength just shorter than that of violet light, which is the shortest wavelength of light in the visible part of the electromagnetic spectrum. read more

So, near UV AND near IR (ultraviolet and infrared) light are considered black light. The “Black Light” you use for fun posters or to examine currency is a UV-A band light. UV-B and -C are higher energy bands of ultraviolet that can ionize, causing sunburns, genetic damage, etc. read more

Paul Amy. Strictly speaking, a black light is a kind of UV light. Black lights emit ultraviolet radiation (UV light). UV is radiation with a wavelength just shorter than that of violet light, which is the shortest wavelength of light in the visible part of the electromagnetic spectrum. read more

The violet glow of a black light is not the UV light itself, which is not visible to the human eye, but visible light that escapes being filtered out by the filter material in the glass envelope. Fluorescent body paint. Paints and decorations that fluoresce under black light are used in theater and several art forms. read more