get a glass prism and use a flashlight to point the light through it (p.s you can use a piece of glass to use as a prism)
Anything you can see is an example.
blue an qreen lites
infrared rays
-- long-wave radio-- short-wave radio-- microwave radio-- infra-red-- visible light-- ultra-violet-- X-rays-- cosmic rays
Roughly one octave of frequencyis, out of more than 50 octaves.
what is man-made light
Light is pure energy and made of Photons
Both of them have same antibacterial spetrum and there is no logic behind using the combination. Please use either of them at a time and if you do not get response then start the other one.
Natural light is light made by things in the nature (animals, plants etc.), and the sun. Artificial light is human made light.
Though you can say light is made up of photons, the photons themselves are not matter, they are energy. Therefore light is actually energy. But you can still say light is made of photons.
light energy is made by pigs in a power plant and dogs in a air plane. light energy is also made by people living in a pumpkin!
light is made up of photons which is electromatic energy