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3 865 58 Cal 865 58 Cal 4 0 865 58 Cal The angular momentum of an electron in a Bohr s orbit of He is 3 1652x10 kg m sec What is the wave number is terms of Rydberg constant R of the spectral line emitted when an electron falls from this level to the first excited state Use h 6 626x10 Js 1 3R 2 SR 3R 3 31 8R 9
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