anything is bad if it spans a long duration. So yes it is, in large amount. The key here is moderation. So a little UV will not hurt anybody!
They harm your eyes and make you blind.
The sun.
ultra violet waves are the one which are harmful and most dangerous!!!!! earth is protected from these rays with the help of ozone layer.
C ultra violet light
IT DETECT IT BY ULTRA VIOLET RAYS.
phones, airoplaines, lawn mowers
You cannot see or feel ultraviolet radiation waves.
UV stands for "ultra violet" and consists of light frequencies higher in value than violet light.
The ultra violet rays can cause sunburn to your skin. Eye protection should also be worn as damage to your retina can cause blindness
lower
What is the source of the infrared light wave?
Infrared is a much longer wavelength than ultraviolet.