The exitant ray is dim compared with the incident one, is this caused by incident randiance*sin? so the exitant one would lose energy even if the surface is a perfect mirror? If so where does this part of the energy goes?
The exitant ray is dim compared with the incident one, is this caused by incident randiance*sin? so the exitant one would lose energy even if the surface is a perfect mirror? If so where does this part of the energy goes?