Answered: wavelength of 69.058 µm is observed in…

wavelength of 69.058 µm is observed in a hydrogen spectrum for a transition that ends in the nf = 11 level. What was ni for the initial level of the electron?

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter10: Atomic Physics

Section: Chapter Questions

Problem 9P

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Concept explainers

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:

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A wavelength of 69.058 µm is observed in a hydrogen spectrum for a transition that ends in the n_f = 11 level. What was n_i for the initial level of the electron?

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A wavelength of 4.653μm is observed in a hydrogen spectrum for a transition that ends in the nf = 5 level. What was ni for the initial level of the electron?
A hydrogen atom emits a photon when its electron shifts from a higher energy level to a lower one. Suppose that one atom emits a photon whose wavelength equals 656 nm. If the energy levels are defined by the quantum number n (where n = 1, 2, 3, ), what were the initial and final values of n? ni=. ? nf=. ?
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