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.
Quick Answer. The Calvin cycle takes place in the stroma of the chloroplast. The stroma is the fluid-filled section of the chloroplast in which the thylakoids stack up in structures known as grana. Continue Reading.