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Aphysics instructor wants to project a spectrum of visible-light colors from 400 nm to 700 nm as part of a classroom demonstration. she shines a beam of white light through a diffraction grating that has 700 lines per mm, projecting a pattern on a screen 2.9 m behind the grating. how wide is the spectrum corresponding to m=1?
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Aphysics instructor wants to project a spectrum of visible-light colors from 400 nm to 700 nm as par...
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