In the visible spectrum, which color has the lowest energy?

Flashcard 7 - Subtest II: Science Flashcard Set for the CSET Multiple Subjects Test

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red

Explanation:

Energy and wavelength are inversely proportional. That means that the color with the highest wavelength will have the lowest energy. The wavelength of red goes from 620 to 750 nm, making it the color with the lowest energy in the visible spectrum.

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