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Physics 208 - Demonstration List, 2011

Here is a complete list of demos that have been used for this course in the past and contains Honors lecture suggestions. They are grouped by Lecture days thanks to Mark Rzchowski. 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

• Topic: Intro+Waves sound interference. Chapter 22

• No Demos

Lecture 2

• Topic: Interference and diffraction. Chapter 22

• Interference of two sound sources (rotating speakers)
• Double-­‐slit interference with light
• Single slit diffraction with light

Honors Lecture 1

Lecture 3

• Topic: Thin-­‐film interference, start refraction Chapter 23

• Single slit diffraction with light
• Diffraction grating with light source
• Soap bubble interference (colors)
• Pyrex stirring rod in Wesson oil

Lecture 4

• Topic: Refraction & Image formation I Chapter 23

• Total Internal Reflection Tank w/Laser pointer, coffee creamer
• Large Total Internal Reflection in Water Stream
• Incandescent bulb, large double convex lens, large screen
• Optic-board with Lenses

Honors Lecture 2

Lecture 5

• Topic: Image formation Chapter 23

• Video camera, large double convex lens
• Incandescent bulb, large double convex lens, large screen
• Optic-board with Lenses

Lecture 6

• Topic: More image formation

• Bench Telescope assembly
• Bench Microscope

Honors Lecture 3

Lecture 7

• Topic: Charges, conductors & insulators

• rods+stirrup+fur
• electroscope
• Franklin doorbells (charge with rods/fur)
• Pith balls

Lecture 8

• Topic: Electric Fields

• Van der Graaf
• Toepler-Voess
• Van de Graf + electroscope with pivoting needle, small ball on stick connected to electroscope to illustrate electric fields surrounding van de graf.

Honors Lecture 4

Lecture 9

• Topic: Electric Potential

• Tesla coil to jump spark to wall
• Van de graf
• Electric pinwheel, Electrostatic generator

Lecture 10

• Topic: Capacitors and current

• Large capacitor to blow up aluminum foil
• Wooden board with nails to show electron scattering in lattice (Knutson)
• Temperature dependent resistance, LN2 and light bulb

Honors Lecture 5

Lecture 11

• Topic: Resistor Circuits

• Parallel and series light bulbs

Lecture 12

• Topic: RC circuits

• Parallel and series light bulbs
• RC circuit with light bulbs to show charge/discharge

Honors Lecture 6

Lecture 13

• Topic: Magnetic fields and forces

• Magnets and compass needle array
• Small tube with electron beam (high voltage supply), bend beam with magnet
• Force on wire from permanent magnet (drawn into field, or repelled)
• Homopolar motor (C-cell, drywall screw, wire, NdFeB perm. magnet)
• Rotation of compass needle by current-carrying wire

Lecture 14

• Topic: Currents and magnetic fields

• Attraction, repulsion of current-carrying wires (vertical deflection apparatus)
• Helmholtz coils on ‘Elmo’ document camera w/compass needle array

Honors Lecture 7

Lecture 15

• Topic: Electromagnets, Magnetic dipoles, and torques

Lecture 16

• Topic: Motional EMF, Magnetic flux, & Faraday’s law I

• Eddy current guillotine
• Coil of wire, permanent magnet, galvanometer/voltmeter+rotating coil/o-scope
• Large permanent magnetic, copper plate, cooled to LN2

Honors Lecture 8

Lecture 17

• Topic: Faraday’s law II

• Capacitor to shoot can with coil of wire.
• Eddy current guillotine

Lecture 18

• Topic: EM waves

• Short wave transmitter & antenna w/ light bulb

• Spark transmitter and receiver

Honors Lecture 9

Lecture 19

• Topic: Polarization

• Microwave polarization setup
• Large polarizer sheets w/ Lucite “U” to show stress-induced polarization rotation
• Polaroid sunglasses to show polarization by reflection

Lecture 20

• Topic: Light quantization

• Photoelectric effect demonstration

Honors Lecture 10

Lecture 21

• Topic: Bohr atom

• Plastic diffraction gratings and various gas discharges
• Ar ion laser + diffraction grating

Lecture 22

• Topic: Matter waves, uncertainty principle

Honors Lecture 11

Lecture 23

• Topic: Quantum particle in box

Thanksgiving break

Lecture 24

• Topic: Review for exam 3

• No demos

Lecture 25

• Topic: Atomic physics

Honors Lecture 12

Lecture 26

• Topic: More atomic physics

Lecture 27

• Topic: Nuclear structure

Honors Lecture 13

Lecture 28

• Topic: Radioactivity

• Geiger counter, radioactive sources

Lecture 29

• Topic: Fission fusion

• Ping-pong ball fission reactor

Old Demo list for Physics 208 - Before Restructuring

Demonstrations

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