n=3- E₁ = 4.0 eV n 2- n=1- E₁ = 1.5 eV E₁ = 0.0 eV

University Physics Volume 3
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Chapter9: Condensed Matter Physics
Section: Chapter Questions
Problem 97AP: Determine the Fermi energies for (a) Mg, (b) Na, and (c) Zn.
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An electron with 2.2 eVeV of kinetic energy collides with an atom whose energy-level diagram is shown in (Figure 1).
 
The electron kicks the atom into an excited state. What is the electron's kinetic energy after the collision?
ANSWER IN EV
n=3-
E₁ = 4.0 eV
n 2-
n=1-
E₁ = 1.5 eV
E₁ = 0.0 eV
Transcribed Image Text:n=3- E₁ = 4.0 eV n 2- n=1- E₁ = 1.5 eV E₁ = 0.0 eV
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