Physics 104 Demonstrations
Lecture 1 (Electric Forces and Fields) • Pith balls • Rods and fur • Plastic rod and stirrup • 2 1-kg masses and meter stick • Toepler-Holst (or Wimshurst) with irregular conductors • Conductor with pith balls in and out • Overhead projector with E and phi pictures
Lecture 2 (Electrical Energy) • Hair in E-field on overhead projector • Van de Graaff generator and stool • Electroscope • Rubber ball
Lecture 3 (Capacitance) • Sample capacitors • Exploding wire • Table of dielectric constants • Variation of voltage with plate separation • Jacob's ladder
Lecture 4 (Current and Resistance) • Table of resistivities • Ohm's law demo • Light bulb and coil in liquid nitrogen • Sample resistors
Lecture 5 (Current and Resistance) • Ohm's law board • Sample galvanometers
Lecture 6 (DC Circuits) • Sample batteries • Ohm's law board (again)
Lecture 7 (DC Circuits) • RC circuit with square wave on scope (exponential decay)
Lecture 8 (Magnetism) • Rabbit's fur and plastic rod • Two bar magnets • Compass needle • Field patterns of magnets on overhead projector • Force on wire carrying a current in magnetic field • Horseshoe magnet and CRT
Lecture 9 (Magnetism) • Sample galvanometers (again) • Oersted demo (current in wire and compass needle) • Magnetic field of wires on overhead projector • Force between parallel currents • Solenoid
Lecture 10 (Induced Voltage) • Magnet and solenoid with electrometer • AC and DC generators • Jumping ring • Can Crusher • Induction demo (two solenoids with common iron core)
Lecture 11 (Inductance) • Sample inductors • Transformer • Eddy currents (with big electromagnet and metal plates) • Large Tesla coil with Faraday cage • Levitated ball • Big electromagnet (to show switch opening arc)
Lecture 12 (AC Circuits) • Light bulb with inductor and movable iron core • RLC circuit with sine wave on scope (resonance and phase) • Transformers
Lecture 13 (EM Waves) • Chart of EM spectrum • Hertz experiment • Small Tesla coil and oscilloscope with antenna • Old radio set transmitter • Microwave source with polarizers • Radiometer
Lecture 14 (Reflection) • Chart of EM spectrum • Table of indices of refraction • Plane mirrors • Candle under water • Prism rainbow
Lecture 15 (Refraction) • Light guides and fiber optics • Total internal reflection • Prism rainbow (again) • Optics board
Lecture 16 (Mirrors) • Plane, concave, and convex mirrors • Convex and concave lenses • Light source and screen • Optics board (again)
Lecture 17 (Lenses) • Light source • Optics board (again)
Lecture 18 (Interference and Diffraction) • Film loop showing water wave interference (Byron 8560) • Young's double-slit experiment on optical bench • Soap-film interference • Newton's rings • Optical flats with sodium lamp
Lecture 19 (Diffraction and Polarization) • Optical bench with laser and apertures and gratings • Poloroid sheets
Lecture 20 (Relativity) • Clock and meter stick • 1-kg mass • Flashlight
Lecture 21 (Relativity) • Demos to be determined
Lecture 22 (Quantum Physics) • Blackbody curves on overhead • Blackbody radiation • Franck-Hertz experiment • Prism rainbow on variac
Lecture 23 (Quantum Physics) • Photoelectric effect • Line emission sources and hand-out gratings
Lecture 24 (Atomic Physics) • Periodic table
Lecture 25 (Atomic Physics) • Periodic table (again) • Laser (disassembled) • Fluorescence and phosphorescence
Lecture 26 (Nuclear Properties) • Periodic table • Overhead projector
Lecture 27 (Nuclear Radiation) • Peridodic table • Geiger counter with radioactive sources
Lecture 28 (Nuclear Reactors) • Periodic table • Overhead projector • Mousetrap chain reactor (if time to set up)
Lecture 29 (Elementary Particles) • Slides of accelerators • Balloon • Teaching evaluations