It is certainly a very important part, but it is not a major part; 'visible light' makes up only a tiny part of the EM spectrum.
Actually, the part of the electromagnetic spectrum that we can see is called visible light, not ultraviolet light. Ultraviolet light is outside the visible spectrum and is not visible to the human eye.
Visible light spectrum.
The blue part of the spectrum has more energy than the red part.
Visible light.
electromagnetic spectrum.
The electromagnetic spectrum
Visible light is a small part of the electromagnetic spectrum.
Of the light spectrum? no.
Many particle physicists, radiation specialists, opticians and ophthalmologists have gotten togetherand named that part of the spectrum the "visible light" band.
Red light.
Visible light...ROYGBIV
Visible Light.