Red laser light from a He-Ne laser = 632.8 nm creates a second-order fringe at 53.2

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Red laser light from a He-Ne laser λ = 632.8 nm creates a second-order fringe at 53.2° after passing through the grating. What is the wavelength of light that creates a first-order fringe at 20.6°?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Oct 05, 2017 08:57 AM

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Red laser light from a He-Ne laser = 632.8 nm creates a second-order fringe at 53.2

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Since the same diffraction grating is being used for both wavelengths ...View the full answer

Physics Principles with Applications

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