The energy level of hydrogen atom is given by the relationship En = -13.6/n2 , where n is a whole number different from zero and En the energy in eV of level n. The wavelength of a seriesof level n whereby n is the number of decayed nuclei of a radioactive sample over a time period of 1 day with half-life of 12hours and initially number of nuclei 8.
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2021-08-09T06:52:46-0400
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