ultraviolet light
What's ultraviolet light/ black light is use for
What’s it’s used for
Hospitals use UV lamps to sterilise surgical equipment and the air in operating theatres.
Food and drug companies also use UV lamps to sterilise their products.
Health
Ultraviolet (UV) light treatment is used primarily in cases of severe psoriasis
that have not responded to other medications or in cases affecting large portions of the body.
Suitable doses of Ultraviolet used
Health
To sterilized hospital rooms and hospital tools.
Nails
Violet light
This shows where ultraviolet light is one the light scale.
http://www.reuters.com/article/us-dermatology-uv-light-idUSKBN0DG1VC20140430
This is where is the article at
Wavelenth, Frequency, Velocity, Other key facts
Ultraviolet (UV) light is light with higher frequency (lower wavelength) than visible light. UV light has frequencies ranging from 8*10
14
to 3*1016
Hz (800 THz to 30 PHz) and wavelengths from 10-8
m to 3.8*10-7
m (10 nm to 380 nm). Prolonged exposure to UV light causes sunburn and can cause skin cancer. The earth's ozone layer absorbs most of the incoming UV light from the sunUltraviolet Diving with Underwater Kinetics UV Lights