Georgia State University
Georgia State University: Hyper Physics: Wave Particle Duality
The dualistic nature of light is discussed. The photoelectric effect and the Davisson-Germer experiment are contrasted as empirical evidence supporting each of the two views - particle and wave - of the nature of light. The photoelectric...
Georgia State University
Georgia State University: Hyper Physics: Photoelectric Effect
Using graphics, words and numbers, the photoelectric effect is described and explained. Planck's theory about quanta of light is explained. Photon energies for the various regions of the EM spectrum are listed. An interactive JavaScript...
Boston University
Modern Physics: Photoelectric Effect Demonstration
A graphical and verbal description of a demonstration which illustrates the phtoelectric effect. Directions, safety precautions, and explanations are provided. Ideally suited as an idea-generator for a student project or lab investigation.