Q3b. Fringes are observed due to monochromatic light in a Michelson interferometer. When the movable mirror is translated by 0.07 mm, a shift of 300 fringes is observed. What is the wavelength of the light? What displacement of the fringe system takes place when a flake of glass of index 1.51 and 0.004 mm thickness is placed in one arm of the interferometer? (Assume that the light beam is normal to the glass surface.)

Q3b. Fringes are observed due to monochromatic light in a Michelson interferometer. When the movable mirror is translated by 0.07 mm, a shift of 300 fringes is observed. What is the wavelength of the light? What displacement of the fringe system takes place when a flake of glass of index 1.51 and 0.004 mm thickness is placed in one arm of the interferometer? (Assume that the light beam is normal to the glass surface.)

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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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Q3b. Fringes are observed due to monochromatic light in a Michelson interferometer. When the
movable mirror is translated by 0.07 mm, a shift of 300 fringes is observed. What is the
wavelength of the light? What displacement of the fringe system takes place when a flake of
glass of index 1.51 and 0.004 mm thickness is placed in one arm of the interferometer? (Assume
that the light beam is normal to the glass surface.)

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