Note that a “gray” object under a red light can reflect the same light as a “red” object under white light. If we want our color perception to remain constant under different lighting  conditions, should we base perceived color on (circle one) 1) the spectrum of light reaching the eye from the object (the signal)?   or X the percent of light the object reflects at different wavelengths (the reflectance)

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Note that a “gray” object under a red light can reflect the same light as a “red” object under white light. If we want our color perception to remain constant under different lighting 

conditions, should we base perceived color on (circle one)

1) the spectrum of light reaching the eye from the object (the signal)?   or

X the percent of light the object reflects at different wavelengths (the reflectance)

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Question : If we want our color perception to remain constant under different lighting conditions, should we base perceived color on:

1) the spectrum of light reaching the eye from the object (the signal).

2) the percent of light the object reflects at different wavelengths (the reflectance).

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