The distance between adjacent slits of a certain diffraction grating is 1.250 x 10-5 m. The grating

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The distance between adjacent slits of a certain diffraction grating is 1.250 x 10-5 m. The grating is illuminated by monochromatic light with a wavelength of 656.0 nm, and is then heated so that its temperature increases by 100.0 C°. Determine the change in the angle of the seventh-order principal maximum that occurs as a result of the thermal expansion of the grating. The coefficient of linear expansion for the diffraction grating is 1.30 x 10-4 (Co)-1. Be sure to include the proper algebraic sign with your answer: + if the angle increases, - if the angle decreases.
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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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