Answered: A diffraction grating has 2628 lines… | bartleby

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A diffraction grating has 2628 lines per centimeter, and it produces a principal maximum at A = 29.7°. The grating is used with light that contains all wavelengths between 410 and 660 nm.
What are the two wavelengths of the incident light that could have produced this maximum? Give the longer wavelength as answer (a).
(a) Number
Units
(b) Number
Units

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