How many ultraviolet rays are there?
Bees can see ultraviolet rays.
Johann Wilhelm Ritter discovered ultraviolet rays
Ultraviolet rays, or radiation, is a type of electromagnetic waves.
Yes, X-rays and gamma rays have higher frequencies than ultraviolet rays.
no, because ultraviolet rays are just above seeing and with ultraviolet lights, you see a more violet color.
Both Gamma Rays and X Rays have a much high frequency that Ultraviolet Rays.
Ultraviolet rays cannot be seen or felt. Ever had a sun-burn? I say UV rays can be felt.
UV rays
Ultraviolet rays
Sun Rays ^-^
Rays of the sun