Answered: Through thick & thin. A laser impinges…

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Through thick & thin. A laser impinges on a thin film (n = 2) sandwiched by two materials (n₁

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Through thick & thin. A laser impinges on a thin film (n = 2) sandwiched by two materials (n₁ <nf < n₂). The top material (₁) is relatively thick. The
laser can take on wavelength o values from 500 [nm] to 2000 [nm]. Within this range, constructive interference occurs only for two wavelength values,
500 [nm] and another wavelength. The respective orders of the wavelengths do not differ by more than one. How thick is the thin film? [Hint: First determine the
constraints on the order corresponding to Xo = 500 [nm].]
n1
nf
O A. 125 [nm]
OB. 250 [nm]
O C. 375 [nm]
O D. 1000 [nm]
m₂

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