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.
In the Calvin cycle, it is responsible for the reduction of 1,3-bisphosphoglycerate (1,3-BPG) â¦ into glyceraldehyde-3-phosphate. Reduction in this context can be defined as the addition of electrons.