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27.4 Exercise 18

Avg difficulty 2.5

The yellow light from a sodium vapor lamp seems to be of pure wavelength, but it produces two first-order maxima at 36.093º\text{36} . \text{093} º and 36.129º\text{36} . \text{129} º when projected on a 10,000 line per centimeter diffraction grating. What are the two wavelengths to an accuracy of 0.1 nm?

OpenStax College Physics 2e, 27.4 Multiple Slit Diffraction, exercise 18

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.