Finding the Quantum Number for Quantized Angular Momentum in Circular Motion

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SUMMARY

The discussion focuses on determining the quantum number l that corresponds to the quantized angular momentum of a classical electron in circular motion. The relevant equations include the momentum equation p = mvr and the angular momentum equation L = (h/2π)√[l(l+1)]. A participant highlights an error in the momentum equation, indicating that it is not applicable in this context. The correct approach involves using the quantization condition to relate classical and quantum angular momentum.

PREREQUISITES
  • Understanding of classical mechanics, specifically circular motion
  • Familiarity with quantum mechanics concepts, particularly angular momentum quantization
  • Knowledge of the Planck constant (h) and its significance in quantum equations
  • Ability to manipulate algebraic equations involving square roots and variables
NEXT STEPS
  • Study the relationship between classical and quantum angular momentum in detail
  • Learn about the implications of the quantization condition for angular momentum
  • Explore the derivation of the angular momentum equation L = (h/2π)√[l(l+1)]
  • Investigate examples of quantized systems to see practical applications of these concepts
USEFUL FOR

Students of physics, particularly those studying quantum mechanics and classical mechanics, as well as educators looking for clarification on angular momentum concepts.

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Homework Statement


A classical electron in circular motion with radius r and velocity v.
How would you find the quantum number l that gives quantized angular momentum close to the angular momentum of the classical electron?

Homework Equations


p=mvr
L=(h/2pi)√[l(l+1)]


Can anyone point me in the right direction with such a question. Just can't figure this one out.
 
Physics news on Phys.org
Your 1st equation: p=mvr is incorrect.
 

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