According to the Young-Helmholtz theory, when both red and green sensitive cones are stimulated simultaneously, a person should see:
Correct answer: D. Yellow
- A. Green
- B. Orange
- C. Red
- D. Yellow
Explanation
The Young-Helmholtz theory proposes separate red-, green-, and blue-sensitive cones whose combined activity produces color experiences. Equal stimulation of red and green cones is perceived as yellow, not orange, which requires a different balance of stimulation.
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