When light strikes perpendicular to the surface of a pane og glass how much light is reflcted and how much is transmitted at the firts surface?

When light strikes perpendicular to the surface of a pane og glass how much light is reflcted and how much is transmitted at the firts surface?
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Only about 4% is reflected, the rest is transmitted. 3. (29.1) When light strikes perpendicular to the surface of a pane of glass, how much light is reflected and how much is transmitted? Normal to the surface refers to a line that is drawn perpendicular to the surface (90°).
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