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Electromagnetic radiation with a wavelength of 700 nm would be:

a)x-rays
b)red light
c)violet light
d)ultraviolet light
e)microwaves

I thought it would be visible light but that's not an option.

  • science -

    Red and violet are both visible. Red would fit.


    Color Frequency Wavelength
    violet 668–789 THz 380–450 nm
    blue 631–668 THz 450–475 nm
    cyan 606–630 THz 476–495 nm
    green 526–606 THz 495–570 nm
    yellow 508–526 THz 570–590 nm
    orange 484–508 THz 590–620 nm
    red 400–484 THz 620–750 nm

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