Quantum and atomic physics

  • Thread starter Lizwi
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Main Question or Discussion Point

Hi, Please help me I am lost. I particle in a box model , equation for energy show that the energy increases as n increases, but in Borh's theory n^2 is in the denominator showing that as n increase, the energy decrease, I see the condradiction here. Am I right?
 

Answers and Replies

  • #2
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Why should we apply Bohr's model to a particle in a box? Regardless, note the negative sign in Bohr's equation. As the principal quantum number "n" increases the energy because less negative. So in both cases its getting higher.
 
  • #3
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The Bohr energy is increasing even with n2 in denominator, because there is a negative sign. The energy is getting closer to zero from below - thus it is increasing.
 

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