The distribution of solar energy incident on Earth can be approximated as being from a black body at 5800 K. 

Two kinds of glass, plain and tinted, are being considered for use in windows. The spectral transmissivity for these two glasses is approximated as
Compare the fraction of incident solar energy transmitted through each material. 

Compare the fraction of visible radiant energy transmitted through each.

Transcribed Image Text:

0 < )< 0.3 µum 0.3 < A< 2.5 µ 2.5 mm < A plain glass: TA = 0 0.9 for for for 0 < 1< 0.5 µm 0.5 < A< 1.5 µ 1.50 mm < tinted glass: TA = 0 for 0.9 for for