PHY102AnnouncementsExam 3 – Monday April 14 in classMaterial:everything since exam 2. eg temperature, heat, work, laws of thermodynamics.Photon. Photoelectric effect. Wave-particle duality. Electron volts. Bohr model of H atom –basic ideas. Electron as a wave. Diffraction, interference. Uncertainty principle. Pauli exclusion principle Lasers, chemical bonding
PHY102RecapAt atomic level classical distinctions of wave and particle blur Light as photons E=hf, electron as wave λ=h/pUncertainty principle ΔxΔp>h important for reconciling these differing conceptsUnderstand discrete energy levels/spectra using ideas of wave theoryWave function tells us where the particle is most likely to be found – quantum mechanics predicts not definite outcomes but only probabilties ….
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