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4. [5 points total] The axes for a spectral curve are plotted below. They show the intensity (brightness) of reflected light for each wavelength of visible light – a higher vertical value means more of the color of light is reflected from the object. Intensity BCG Yo R 2 (nm) 380 Ott 485 500 SIS 590 625 740 a) [1.5 points] On the diagram above, draw a spectral curve for a pure cyan object – that is an object that reflects only cyan photons. Briefly explain. b) [1.5 points] On the diagram above, draw a spectral curve for an object that appears the same color as the first (cyan) but does not reflect cyan photons. Briefly explain, using the color wheel. c) [2 points] Explain, in terms of the structures of the human eye, why these two different spectral curves appear the same color to us.