How much light is transmitted by two sheets?No glass is perfectly transparent. Mainly because of reflections, about 94% of light passes through an average sheet of clear windowpane. The 6% loss is not noticed through a single sheet, but through several sheets it is apparent. How much light is transmitted by two sheets?
Curly
input light to first sheet is x
light transmitted by sheet 1 is 0.94*x
input light to second sheet is y
transmitted light by sheet 2 is 0.94*y
where
y=0.94*x
therefore
transmitted light by sheet 2 is
0.94*0.94*x
or
0.8836*x
or
88.36%
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How much light is transmitted by two sheets?
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