Chapter 12, Problem 12.62P

The spectral transmissivity of plain and tinted glass can be approximated as follows:

$\begin{array}{l}\text{plain glass: }{\tau }_{\lambda }=0.9\text{ 0}\text{.3}\le \lambda \le \text{2}\text{.5}\mu \text{m}\\ \text{Tinted glass: }{\tau }_{\lambda }=0.9\text{ 0}\text{.5}\le \lambda \le 1.\text{5}\mu \text{m}\end{array}$

Outside the specified wavelength ranges, the spectral transmissivity is zero for both glasses. Compare the solar energy that could be transmitted through the glasses. With solar irradiation on the glasses, compare the visible radiant energy that could be transmitted.