Spectral lines have a finite width even though atomic energy levels are discrete, because ... atoms in a gas are not at rest ? atomic transitions always emit a continuous spectrum ? many different atomic transistions contribute to spectral line ? we do not measure precisely enough ? which one is correct?
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Spectral lines have a finite width even though atomic energy levels are discrete, because ...
-
atoms in a gas are not at rest ?
-
atomic transitions always emit a continuous spectrum ?
-
many different atomic transistions contribute to spectral line ?
-
we do not measure precisely enough ?
which one is correct?
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