Physics 104 Demonstrations
Here is a composite list of demos that have been used for this course in the past and are grouped by Lecture days. This list is only a reference guide and may differ from actual demos used in lecture depending on which faculty is teaching this course.
Lecture 1
Electric Forces and Fields
- Rods and fur
- 2 1-kg masses and meter stick
Toepler-Holst (or Wimshurst) with irregular conductors(ie. Zeppelin)
Gauss Law, A Conductor with pith balls in and out
- Overhead projector with E and phi pictures
Lecture 2
Electrical Energy
- Rubber ball
Lecture 3
Capacitance
- Sample capacitors
- Exploding wire
- Table of dielectric constants(this is a 2"x4" glass slide)
- Variation of voltage with plate separation
- Jacob's ladder
Lecture 4
Current and Resistance
- Table of resistivities(this is a 2"x4" glass slide)
- 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
- 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(old style chart on cart)
- Hertz experiment
- Small Tesla coil and oscilloscope with antenna
- Old radio set transmitter
- Microwave source with polarizer
- Radiometer
Lecture 14
Reflection
- Chart of EM spectrum(old style chart on cart)
- Table of indices of refraction(this is a 2"x4" glass slide)
- 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 interference of waves (this is a .mov file)
- 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
Lecture 25
Atomic Physics
- Laser (disassembled)
- Fluorescence and phosphorescence
Lecture 26
Nuclear Properties
- Overhead projector
Lecture 27
Nuclear Radiation
- Geiger counter with radioactive sources
Lecture 28
Nuclear Reactors
- Overhead projector
- Mousetrap chain reactor (Requires 60 minute setup time)
Lecture 29
Elementary Particles
- Slides of accelerators (a bunch of 2"x4" glass slide)
- Balloon
- Teaching evaluations