MCAT Question A Day - 1/14/14 - Answer!
An object appears red because
A. the object absorbs wavelengths corresponding to red light.
B. the object absorbs wavelengths other than red.
C. “red” cones in the eye are stimulated by wavelengths corresponding to red light.
D. B and C
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The correct answer is (D). Red objects basically absorb wavelengths other than red and reflect red light. This red light reaches our eyes from the object and stimulates our “red” cones, which are sensitive to “red” wavelengths.
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