Why are diffraction gratings used to measure wavelength of light
instead of double slits?
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Physics
Why are diffraction gratings used to measure wavelength of lightinstead of double slits?
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The interference fringes are much sharper narrow lines instead of smeared out blobs resulting in massively increased resolution And the lines are much brighter light that would lie between the fringes is shifted into the fringe by the diffraction grating A diffraction grating can be used to split light
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