------------------------------------------------------------------------ PHY 232 Recommended demos ------------------------------------------------------------------------ Wk Topics and Demos 01 Electrostatics - Two types of electric charge - Polarizing water - Obedient ruler - Electrostatic induction: two charges from one - Electric field lines - Dipole models - Van de Graaff generator and wig - Sharp conductor - Faraday cage - Styrofoam shower - Faraday's ice pail - Cylindrical Gaussian surface model 02 Electric Potential, Capacitors - Rubber sheet potential model - Dipole models - Dissectable Leyden jar - Types of capacitors - Big spark - Parallel plate capacitor - Dielectrics 03 Current and Resistance - Electrostatic ping-pong - Marbles and nails model of resistance - Current in molten glass - Jacob's ladder - Potentiometers - Potential along a long wire - Ohm's law 04 Resistors in Series and Parallel - Series and parallel light bulbs - Wheatstone bridge 05 RC Circuits, Magnetism - Time constant in an RC circuit - Compass needle, lodestone, magnets - Earth's magnetic field (model) - Overhead projector magnetic field lines - Compass needle array (ohp) - Walking the paper clip 06 Magnetic Fields, Magnetic Induction - Bending the beam - Jumping wire - Parallel wires - Magnetic field from a current - Magnetic field of a solenoid 07 Magnetic Induction, AC Circuits - Coil, magnet and galvanometer - Energy bike: generating electricity - Genecons - Lenz's law pipes - Eddy current pennies - Jumping ring - Visual RLC resonance 08 EM Waves - Spark radio - Radio in a Faraday cage - Inverse square model 09 Reflection, Refraction, Geometric Optics - Arrows of reflection (model) - Refraction tank - Broken finger - Dispersion: prism and slide projector - Total internal reflection rod - How tall a mirror ? - Angle mirrors - Concave and convex mirrors - Images in spherical mirrors - Image from a simple lense - Human eye model 10 Interference, Diffraction - Bead board model of superposition - Interference patterns on overhead - Meter stick model of interference - Newton's rings on overhead projector - Single and multiple slit diffractions - Polaroid sun glasses - Scotch tape polarization - Polarmotion - Karo syrup polarization 11 Relativity - Twin paradox (video) - Lorentz transformation (video) 12 Quantum Physics - Photoelectric effect - Maltese cross - Diffraction of electrons 13 Atomic Physics - Fluorescence - Ultraviolet fluorescence 14 Nuclear Physics - Becquerel's photo plate - Geiger counter - Mouse trap chain reaction - Nuclear fusion model 15 Particle Physics ------------------------------------------------------------------------