The wavelengths of the visible spectrum are approximately 380 nm (violet) to 750 nm (red). (a) Find the angular limits of the first-order visible spectrum produced by a plane grating with 600 slits per millimeter when white light falls normally on the grating. (b) Do the first-order and second-order spectra overlap? What about the second-order and third-order spectra? Do your answers depend on the grating spacing?

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The wavelengths of the visible spectrum are approximately 380 nm
(violet) to 750 nm (red). (a) Find the angular limits of the first-order visible
spectrum produced by a plane grating with 600 slits per millimeter
when white light falls normally on the grating. (b) Do the first-order
and second-order spectra overlap? What about the second-order and
third-order spectra? Do your answers depend on the grating spacing?

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