Which color has the longest wavelength?

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Study for the GFA Lighting and Electric Test. Enhance your skills with flashcards and multiple choice questions. Each question includes hints and explanations to get you ready for your exam!

Multiple Choice

Which color has the longest wavelength?

Explanation:
Visible light comes in a range of wavelengths, and the color you see depends on where the light lies in that range. In the visible spectrum, longer wavelengths appear toward the red end and shorter wavelengths toward the violet end. Among the colors shown, red has the longest wavelength—about 620 to 750 nanometers—while blue, green, and violet have shorter wavelengths. So red is the color with the longest wavelength in this set.

Visible light comes in a range of wavelengths, and the color you see depends on where the light lies in that range. In the visible spectrum, longer wavelengths appear toward the red end and shorter wavelengths toward the violet end. Among the colors shown, red has the longest wavelength—about 620 to 750 nanometers—while blue, green, and violet have shorter wavelengths. So red is the color with the longest wavelength in this set.

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