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Post Info TOPIC: THE DIFFRACTION GRATIG


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THE DIFFRACTION GRATIG
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Who has done an experiment on diffraction grating using sodium lump and mercury lamp, the objectives are; 'determine the grating constant using the known wavelength of sodium lines' 'measure the wavelengths of the seven strongest lines in the mercury spectrum'

does someone have the values of the positions of the lines? the 1st and 2nd order respectively.disbelief

 



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