PHYS 201 - Lecture 19 - Quantum Mechanics I: Key Experiments and Wave-Particle Duality

Lecture 19 - Quantum Mechanics I: Key Experiments and Wave-Particle Duality

Overview

The double slit experiment, which implies the end of Newtonian Mechanics, is described. The de Broglie relation between wavelength and momentum is deduced from experiment for photons and electrons. The photoelectric effect and Compton scattering, which provided experimental support for Einstein's photon theory of light, are reviewed. The wave function is introduced along with the probability interpretation. The uncertainty principle is shown to arise from the fact that the particle's location is determined by a wave and that waves diffract when passing a narrow opening.

Resources

Assignment

Problem Set 10

Course Media

Transcript

html

Audio

mp3

Low Bandwidth Video

mov [100MB]

High Bandwidth Video

mov [500MB]