A lens (n = 1.52) is coated with a magnesium fluoride film (n = 1.38). (a) If
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A lens (n = 1.52) is coated with a magnesium fluoride film (n = 1.38).
(a) If the coating is to cause destructive interference in reflected light for λ = 560 nm (the peak of the solar spectrum), what should its minimum thickness be?
(b) At what two wavelengths closest to 560 nm does the coating cause constructive interference in reflected light?
(c) Is any visible light reflected? Explain.
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a If the coating is to cause destructive interference then the wavelengths in air must satisfy 560 ...View the full answer
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Related Book For
College Physics With An Integrated Approach To Forces And Kinematics
ISBN: 978-1260547719
5th Edition
Authors: Alan Giambattista
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