Mercury has several stable isotopes, among them and The
Chapter , Problem 71(choose chapter or problem)
Mercury has several stable isotopes, among them and The strong spectral line of mercury, at about is a composite of spectral lines from the various mercury isotopes. The wavelengths of the line for and are and respectively. What must be the resolving power of a grating capable of resolving the two isotopic lines in the third-order spectrum? If the grating is illuminated over a region, what must be the number of lines per centimeter of the grating?
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