Question: A diffraction grating of 2000 slits per centimeter is used to analyze the spectrum of mercury. (a) Find the angular separation in the first-order spectrum

A diffraction grating of 2000 slits per centimeter is used to analyze the spectrum of mercury.

(a) Find the angular separation in the first-order spectrum of the two lines of wavelength 579.0 and 577.0 nm.

(b) How wide must the beam on the grating be for these lines to be resolved?


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