Opacity (optics) Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc.
Answers.comÂ® is making the world better one answer at a time. during Calvin Benson cycle carbon dioxide from the air is used to produce glucose and other compounds.
The Calvin cycle produces energy in three stages: 1  Carbon fixation: CO2 is linked to a carbon skeleton (RuBP) 2  Reduction: Carbohydrates are formed from NADPH and ATP. 3  Regeneration: RuBP is reformed from ATP.