n = 3 -0.85 eV --1.51 eV n =2 -3.4 eV --13.6 eV B /c JE JE BEFORE AFTER

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter9: Condensed Matter Physics
Section: Chapter Questions
Problem 62P: Compare the density of states at 2.5 eV and 0.25 eV.
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QUESTION 9

  1. In the picture are two diagrams of the first five orbits in the Bohr model labeled A - E. The dot in an orbit is the electron. The nucleus is not shown. Shown is a BEFORE and AFTER state of the atom. An energy level diagram for the Bohr hydrogen atom is shown. Which of these events has occurred in going from the BEFORE to the AFTER state?
          

     

      a.

    a photon of energy 1.51 eV has been absorbed

      b.

    an electron of energy 1.51 eV has been emitted

      c.

    a photon of energy 0.97 eV has been emitted

      d.

    a photon of energy 1.51 eV has been emitted

      e.

    a photon of energy 0.97 eV has been absorbed

     

n = 3
-0.85 eV
--1.51 eV
n =2
-3.4 eV
--13.6 eV
Transcribed Image Text:n = 3 -0.85 eV --1.51 eV n =2 -3.4 eV --13.6 eV
B /c
JE
JE
BEFORE
AFTER
Transcribed Image Text:B /c JE JE BEFORE AFTER
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