Magnetic Field & Energy Levels in Atoms: Hydrogen Atom & Longest-Wavelength Photon Emissio, Study notes of Mechanical Engineering

The energy levels of a hydrogen atom in a magnetic field and the emission of longest-wavelength photons when the atom is initially in the 5p state. It includes a multiple-choice question about the degeneracy of the energy state of a hydrogen atom in a magnetic field and a problem about calculating the energy of the longest-wavelength photon emitted by the hypothetical atom.

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Pre 2010

Uploaded on 09/17/2009

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A hydrogen atom is placed in a magnetic field.
Ignoring spin, the degeneracy of the state with energy
E = -(13.6/9) eV + µBB
is
A) 1
B) 2
C) 3
D) 4
E) None of the above.
pf2

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A hydrogen atom is placed in a magnetic field.

Ignoring spin, the degeneracy of the state with energy

E = -(13.6/9) eV + μBB

is

A) 1

B) 2

C) 3

D) 4

E) None of the above.

15 (5 pts) The picture below shows the energy levels of a hypothetical atom. What is the photon energy E photon of the longest-wavelength photons emitted by atoms that initially are in the 5 p state? Explain your answer. A. 1 .0 eV B. 2.0 eV C. 3.0 eV D. 4.0 eV E. 5.0 eV