The person in charge of lighting in a certain theater has two lights available, a red light and a green light with spectra shown in the figure below:
The beams from these lights both shine (superimposed) on the backdrop. Region I of the backdrop is painted in a certain English vermillion, region II is painted a certain emerald green, and region III is painted a certain cobalt blue. The reflectance of these paints are shown in the figure below:
Sketch roughly the spectra of the light reflected from each region and indicate what color it looks like.
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