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Lecture11_AtomicStructure1

Lecture11_AtomicStructure1 - Physics 126 Lecture 11 March...

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S.Du Sp2011 1 Physics 126 Lecture 11 March 14&16, 2011 Atomic Structure (Quantization of Atomic Energy Levels) The nuclear atom Electron orbits Balmer and Rydberg Series Atomic spectra Bohr model Reading: Chap 4: 4.1 – 4.4 Shengwang Du
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S.Du Sp2011 2 Two Broad Themes: What is Matter? What is Radiation (light)? What is Matter? Electrons, X-Ray, Radioactivity, atomic nature of matter, atomic nucleus ( Quantization of Matter) What is radiation (including light, infra red heat wave, etc)? Statistical Mechanics and Radiation (light): Energy is ‘quantized’ Quantization of Light . Atomic Spectra and the Bohr atomic model Quantization of Atomic Energy Levels. X-Ray diffraction and X-Ray spectra . Radiation (light) is wave ! Compton scattering Radiation is particle! Einstein’s quantum theory of radiation. Radiation is particle with energy and momentum! Particle – Wave duality for light Matter is wave . Particle – Wave duality for matter The New Quantum Mechanics
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