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Which colour of visible light has the shortest wavelength and most energy?

AGreen
BViolet
COrange
DYellow
Answer & Solution
Correct answer: B. Violet
1. Red has the longest wavelength. 2. Violet has the shortest. 3. Energy rises as wavelength shortens. _Source: OpenStax Biology 2e, Chapter 8, Photosynthesis (CC BY 4.0)._
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