Relative Light Effectiveness for Photosynthesis vs. Wavelength

1. X-Axis: Wavelength (nm)
From 200 nm (UV) to 2,500 nm (near-infrared).

2. Y-Axis: Relative Light Effectiveness
From 0 to 1, showing the effectiveness of light for photosynthesis.

3. Curves:
F-Type Star's Spectrum:

A bell curve peaking at 414 nm (blue-green).
Tapering off into the UV and near-infrared regions.
Plant's Action Spectrum (for photosynthesis):

Peaks at 430 nm (blue) and 670 nm (red).
Lower effectiveness in the green region (~550 nm).
Predicted Action Spectrum (combined effect):

Strong peaks in the blue (~430 nm) and red (~670 nm) regions, modulated by the F-type star’s light spectrum.
The graph would show higher contributions from the blue and red regions, where both the star emits light strongly and the plant absorbs efficiently.