Write the word or phrase that best completes each statement or answers the question. -A diffraction grating has 5150 lines per centimeter ruled on it. What is the angular separation between the

Write the word or phrase that best completes each statement or answers the question.
-A diffraction grating has 5150 lines per centimeter ruled on it. What is the angular
separation between the first- and the third-order bright spots on the same side of the
central maximum when the grating is illuminated by a beam of light with wavelength 633
nm?

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