The mass of the deuteron is 2.0141 amu (atomic mass units).
The ratio of ionization energies of H and D is 1.0011.
Calculate the mass of the deuteron given that the first line in the Lyman series of H lies at 82259.08 cm-1 whereas that of D lies at 82281.476 cm-1. Calculate the ratio of
ionization energies of H and D.
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