phones, airoplaines, lawn mowers
The sun.
ultra violet waves
C ultra violet light
IT DETECT IT BY ULTRA VIOLET RAYS.
You cannot see or feel ultraviolet radiation waves.
Among other things, the light we get from the Sun includes ultraviolet light.
UV stands for "ultra violet" and consists of light frequencies higher in value than violet light.
Yes, "ultra-violet" is typically hyphenated when used as an adjective before a noun.
What is the source of the infrared light wave?
lower
Ultra violet light is not visible!
X-rays have shorter wavelengths than radio, heat, infra-red, visible light, and ultra-violet.