When an excited hydrogen atom returns to the ground state light of wavelength λ = 102.5 nm is emitted. The Rydberg constant is R = 1.097 x 107 m-1. What was the principle quantum number n of the excited state? Select one: a. 5 b. 4 c. 2 d. 3

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: