Columbia University Physics Lecture Demonstrations
Modern Physics
7A - QUANTUM EFFECTS
10. Photoelectric Effect
7A10.1 Discharging by Photoelectric Effect
30. Band Gaps
7A30.10 LEDs in Liquid Nitrogen
50. Wave Mechanics
7A50.20 Microwave Barrier Penetration
7A50.40 Vibrating Circular Wire
60. X-ray and Electron Diffraction
7A60.50 Bragg diffraction with microwaves - improved apparatus