Spectral flux absorbed by a area, divided by that gained by that surface area. This should not be bewildered with "spectral absorbance". The fact that light may be polarized was for the first time qualitatively stated by Newton using the particle theory. Étienne-Louis Malus in 1810 made a mathematical https://light-gauge-steel-framing54321.ambien-blog.com/45873963/little-known-facts-about-light-gauge-steel-villa