A grating is illuminated by light of two wavelengths 500. nm and 450. nm. When the third order diffraction is viewed at an angle of20.0° to the normal, the lines are barely resolved. What must be the width of this grating (in mm)?○ 0.0132 mm○ 0.0264 mm0.0573 mm○ 0.0099 mm

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Answered: A grating is illuminated by light of…

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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A grating is illuminated by light of two wavelengths 500. nm and 450. nm. When the third order diffraction is viewed at an angle of 20.0° to the normal, the lines are barely resolved. What must be the width of this grating (in mm)? ○ 0.0132 mm ○ 0.0264 mm 0.0573 mm ○ 0.0099 mm