Abstract
Several models were chosen from imported glass in different colors (transparent, blue, bronze, green), and with different thicknesses (4-6-10mm) available in the Iraqi market. The intensity of the beam, the light transmitted with the thickness change, was measured to determine the permeability characteristics. Calculating the energy gap for direct and indirect transference allowed. It has been shown that the permeability change with the change in color and thickness of the sample. In addition, transparent glass has High permeability comparison with other types, and that the visual characteristics depend on the thickness of the sample.
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