Arrange the colours in increasing order of wavelength
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Violet: 400 - 420 nm
Indigo: 420 - 440 nm
Blue: 440 - 490 nm
Green: 490 - 570 nm
Yellow: 570 - 585 nm
Orange: 585 - 620 nm
Red: 620 - 780 nm
Indigo: 420 - 440 nm
Blue: 440 - 490 nm
Green: 490 - 570 nm
Yellow: 570 - 585 nm
Orange: 585 - 620 nm
Red: 620 - 780 nm
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Color. Wavelength (nm)
Red. 780 - 622
Orange. 622 - 597
Yellow. 597 - 577
Green. 577 - 492
Blue. 492 - 455
Violet. 455 - 390
1 Angstrom = 10-10 meters.
The order of colors in light, arranged from shortest wavelength to longest, is called the visible spectrum of light. The image below shows light's visible spectrum, which runs from violet to red. You might recognize the spectrum as the order of colors in a rainbow.
Red. 780 - 622
Orange. 622 - 597
Yellow. 597 - 577
Green. 577 - 492
Blue. 492 - 455
Violet. 455 - 390
1 Angstrom = 10-10 meters.
The order of colors in light, arranged from shortest wavelength to longest, is called the visible spectrum of light. The image below shows light's visible spectrum, which runs from violet to red. You might recognize the spectrum as the order of colors in a rainbow.
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