A beam of monochromatic light passes through a pile of N = 5 identical plane-parallel glass plates

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A beam of monochromatic light passes through a pile of N = 5 identical plane-parallel glass plates each of thickness 1 = 0.50 cm. The coefficient of reflection at each surface of the plates is p = 0.050. The ratio of the intensity of light transmitted through the pile of plates to the intensity of incident light is τ = 0.55. Neglecting the secondary reflections of light, find the absorption coefficient of the given glass.
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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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