Chemistry, 04.08.2019 18:30 leewalker1341
Alaser shined through a diffraction grating with lines that are 1/500 mm apart creates a spectra on a screen. the distance from the center bar to the first side bar is 66 mm. the distance from the diffraction grating to the first side bar is 187 mm. calculate the wavelength of light (in nanometers) that is being emitted by the laser.
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