Irradiance of the surface for every unit frequency or wavelength. The terms spectral flux density or even more confusingly "spectral depth" are also employed. Non-SI models of spectral irradiance involve Jansky = ten W⋅m⋅Hz and solar flux unit (1SFU = ten W⋅m⋅Hz). The fact that light can be polarized https://mariomxfov.blogspothub.com/37888444/expandable-house-can-be-fun-for-anyone