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Name: Kahla
Status: student
Grade: 9-12
Location: ME
Country: USA
Date: Winter 2009-2010

Question:
Since chlorophyll b absorbs mainly blue and red light, why does it appear yellow green? It seems to me that it would appear darker because if it doesn't absorb purple or green light, it would reflect part of the purple light and the green light (making a dark green color).



Replies:
The following should help answer your question:

http://en.wikipedia.org/wiki/Chlorophyll#Spectrophotometry

http://en.wikipedia.org/wiki/File:Chlorophyll_ab_spectra.png

Anthony Brach Ph.D.



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