Which color is associated with a frequency around 700 THz in the described mapping?

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Multiple Choice

Which color is associated with a frequency around 700 THz in the described mapping?

Explanation:
Color comes from the frequency (or wavelength) of visible light. As frequency increases, wavelength gets shorter and the color shifts from red toward violet. A frequency of about 700 THz corresponds to a wavelength of roughly 430 nm, which sits in the blue region of the spectrum in this mapping. So the color associated with that frequency is blue.

Color comes from the frequency (or wavelength) of visible light. As frequency increases, wavelength gets shorter and the color shifts from red toward violet. A frequency of about 700 THz corresponds to a wavelength of roughly 430 nm, which sits in the blue region of the spectrum in this mapping. So the color associated with that frequency is blue.

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