If an object only reflects ultraviolet photons, what color would it look to us? white a) black b)c) redclear d)violet e)
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If an object only reflects ultraviolet photons, it would not appear to have a color in the visible spectrum to our eyes. Humans perceive colors based on the wavelengths of light that are reflected by or emitted from objects. The visible spectrum for humans ranges from violet to red.
Ultraviolet (UV) light has shorter wavelengths than violet light, which is at the edge of the visible spectrum. Since ultraviolet light is outside the range of human vision, if an object only reflects ultraviolet photons, it would essentially be invisible to us in terms of color. Therefore, the object would not appear as white, black, red, or any other visible color. It would likely appear transparent or not visible at all under normal lighting conditions.