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Lecture19 - Major Concepts in Physics Lecture 19 Prof Simon...

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PHY102 1 Major Concepts in Physics Lecture 19. Prof Simon Catterall Office 309 Physics, x 5978 [email protected] http://physics/courses/PHY102.08Spring
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PHY102 Announcements Exam 3 – Monday April 14 in class Material: 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
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PHY102 Recap At atomic level classical distinctions of wave and particle blur Light as photons E=hf, electron as wave λ =h/p Uncertainty principle Δ x Δ p>h important for reconciling these differing concepts Understand discrete energy levels/spectra using ideas of wave theory Wave 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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PHY102 Iron atoms confine electron (waves)
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