Ultraviolet
Revision as of 08:12, 20 December 2017 by OpenSorcerer talk | contributions
Contents
Explanationedit
Ultraviolet is a frequency spectrum in the electromagnetic spectrum. It's wavelength can range from 10 nm to 400 nm (8 × 10^14 to 3 × 10^26 hertz). It lies just above the visible spectrum.
Frequently Asked Questionsedit
Can humans see Ultraviolet rays?edit
No. Humans can not see UV(Ultraviolet) rays. They lie above our visible spectrum.
Can animals see Ultraviolet rays?edit
Some animals can see ultraviolet rays. Such as Butterflies; they can use ultraviolet markings to find healthier mates, Reindeer rely on ultraviolet light to spot lichens that they eat.
Is Ultraviolet radiation harmful?edit
It depends on where in the Ultraviolet spectrum it lies. Low frequency rays cause little harm and are reversible; examples include tanning and sunburn. Higher frequency ultraviolet rays are very harmful and are irreversible; examples include eye damage and skin cancer.