Задача 40064.

Red light with a wavelength of 720 nm is incident on a diffraction grating with a grating period d = 2*10^–5 m. What is the highest order of the spectrum that can be observed if light is incident whose wavelength is 2/3 times smaller? Determine the order of the spectrum.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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