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What did the Zeeman effect help to confirm?

  • Electron theory

  • Wave theory

  • String theory

  • Quantum theory

Answer

Electron theory was confirmed by the Zeeman effect, which demonstrated the splitting of spectral lines in the presence of a magnetic field. This observation provided evidence for the existence of electrons and their interaction with magnetic fields, supporting the idea that atoms contain discrete energy levels and that electrons occupy specific orbitals within these levels.
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