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Ernest Z. Violet light has the shortest wavelength. Visible light has a wavelength range of about 400 - 700 nm. The visible colours from shortest to longest wavelength are: violet, blue, green, yellow, orange, and red.
Red is the longest wavelength of light which is visible to human eye. Visible light waves are the only electromagnetic waves we can see. we can see these wave as the color of the rainbow. Each color has different wavelength. Red has the longest wavelength and violet has the shortest wavelength. when all the waves are seen together, they make white light. When the white light pass through a prism then, it will broken into the colors of the visible light spectrum.