Light Absorban
4x
B
C
350
D
Chlorophyll
550 nm
450 nm
The absorption spectrum for chlorophylls a and b are shown by the graph. These are two pigments found in plants and green algae that
are the main pigments of photosynthesis. At which wavelength of light would photosynthesis be at its lowest?
4x A
650 nm
400
400 nm
450 500
550
600
Wavelength (nm)
O
650
700
750
800
