CLASS DEMONSTRATIONS - PHYS 104, Spring 2004
Last update: April 30, 2004
Students are not responsible for demonstrations in square brackets [like these]; they were not shown in class.
Link to demonstration list for Spring 2003
Jan. 28:
C3-02: INERTIA - TABLECLOTH TRICK
C3-04: INERTIA - LEAD BRICK AND HAND
Jan. 30:
C2-01: AIR TRACK - CONSTANT VELOCITY AND UNIFORM ACCELERATION
C2-07: FREE FALL - EQUAL TIME INTERVALS
C4-01: AIR TRACK - NEWTON'S SECOND LAW
C4-33: FREE FALL IN VACUUM - FEATHER AND BALL
Feb. 2:
C2-26: FUNNEL CART WITH MASS OVER PULLEY
C2-41: VECTOR ADDITION OF VELOCITIES
C5-01: NEWTON'S THIRD LAW - STATIC DYNAMOMETERS
Feb. 4:
B2-03: EQUILIBRIUM OF FORCES - INCLINED PLANE
B1-01: CENTER OF MASS - DISC SECTION
B1-14: CENTER OF MASS - BOTTLE
B1-17: CENTER OF MASS - STICKS
B2-32: EQUILIBRIUM OF TORQUES - LARGE
B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK
Feb. 6:
D2-01: RING AND DISC ON INCLINED PLANE
C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT
C6-03: INCLINED PLANE - FRICTION WITH THREE BLOCKS
BOX ON ROLLERS
Feb. 9:
C7-01: AIR TRACK - ELASTIC COLLISIONS
C7-11: COLLISIONS OF BALLS - EQUAL MASSES (Newton's Cradle)
C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER
C7-15: COLLISIONS OF BALLS - 3 TO 1 MASS RATIO
C7-18: COLLISION OF BALLS -- ASTRO BLASTER
C7-23: MEDICINE BALL AND SKATEBOARD
D3-03:
ROTATING CHAIR AND WEIGHTS
D3-05: ROTATING CHAIR AND BICYCLE WHEEL
Feb. 11:
D2-02: MISCELLANEOUS BODIES ON INCLINED PLANE
D2-11: HINGED STICK AND FALLING BALL
B4-02: HOOKE'S LAW - COMPRESSING A SPRING
B4-11: ELASTIC LIMIT OF RUBBER BAND
C4-53:
WEIGHTLESSNESS IN FREE FALL - MASS ON SPRING
C4-62:
DROPPED SLINKY
Vectron Ultralite hovering flying toy
Feb. 13:
C7-14: COLLISIONS OF BALLS WITH FLOOR
C7-15: COLLISIONS OF BALLS - 3 TO 1 MASS RATIO
C7-16: HAPPY AND UNHAPPY BALLS
C7-18: COLLISION OF BALLS -- ASTRO BLASTER
C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS
D2-21: CENTER OF PERCUSSION - BAT AND MALLET
Review
Feb. 16:
D1-34:
ROTATING MASS ON SPRING
Feb. 18:
F2-07: BUOYANCY - PEPSI AND DIET PEPSI
F2-13: BOUYANCY - EXPANDING BALLOON CONUNDRUM
I3-16: COLLAPSE OF CAN - LARGE PUMP
Feb. 20:
I3-33: HELIUM BALLOON ON LIQUID NITROGEN
C4-15: HELIUM BALLOON IN ACCELERATED BOX
F2-22: BUOYANCY PARADOX - ACCELERATED FRAME
I3-43: TIRE PRESSURE - UNLOADED AND LOADED
F2-03: CARTESIAN DIVER - EXPLICIT VERSION
Feb. 23:
F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL
F5-21: VENTURI TUBE WITH MANOMETERS
F5-24: VENTURI TUBE WITH WATER - MANOMETERS
F5-03:
BERNOULLI'S PRINCIPLE - THIN METAL SHEETS
F5-06: BERNOULLI'S PRINCIPLE - BEACH BALL
F5-09: BERNOULLI'S PRINCIPLE - HAIRDRYER AND PING PONG BALL
Feb. 25:
Feb. 27:
I2-44: CONVECTION - CANDLE IN CYLINDER
[I2-21: THERMAL CONDUCTIVITY OF METALS]
2 TENNIS BALLS (CHEMICAL BONDING OF ATOMS)
March 1:
I2-06: THERMOPILE WITH AUDIO OSCILLATOR
I2-08: RADIATIVE HEAT TRANSFER
K8-01: ELECTROMAGNETIC WAVE - MODEL
L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR
L3-16: FOCUSING OF HEAT WAVES BY MIRRORS
N1-05: SPECTRA - VISIBLE AND INVISIBLE
March 3:
N1-07: VARIATION OF SPECTRUM WITH LAMP INTENSITY
I2-10: DEWARS - SILVERED AND UNSILVERED
March 8:
L1-03: LIGHT BULB WITHOUT VACUUM
I1-12: THERMAL EXPANSION - BALL AND RING
I1-13: THERMAL EXPANSION - BIMETAL STRIP
I1-15: THERMAL EXPANSION - PIN BREAKER
I1-18: BIMETALLIC STRIP THERMOMETERS
I5-12:
ADIABATIC EXPANSION OF AIR - FOG IN BOTTLE
I4-32: FREEZING WATER BY PUMPING
[I5-01: MECHANICAL EQUIVALENT OF HEAT - SHOT BAG]
March 12:
I5-11: ADIABATIC PROCESS - AIR PISTON WITH THERMISTOR
March 15:
J1-01: TRIBOELECTRICITY - CHARGING BY FRICTION
J1-26: VAN DE GRAAFF - REPULSION OF PIE PANS
J2-15:
ELECTROSTATIC SMOKE PRECIPITATOR
J3-01:
EXISTENCE OF ELECTRIC FIELDS
March 17:
J2-14: LIGHTNING ROD SIMULATOR
J2-15: ELECTROSTATIC SMOKE PRECIPITATOR
J2-13: PLASMA MACHINE - EYE OF THE STORM
March 19:
J5-01 MAGNETIC FIELD OF A BAR MAGNET
J5-05 MAGNET MODEL - FIELD LINES
J5-06 MAGNET - BROKEN BUT NO MONOPOLE
J5-32: MAGNETIC LEVITATION - PERMANENT MAGNET AND ELECTROMAGNET
E2-51: GRAVITATIONAL COLLAPSE - MODEL
March 29:
I7-21: SUPERCONDUCTIVITY - MAGNET LEVITATION
K5-12: BATTERY AND CIRCUIT - WORKING MODEL
K5-13: ELECTRIC CURRENT - MODEL
K6-03:
SERIES AND PARALLEL LIGHT BULBS - BATTERY AND CLIP-ON WIRES
K6-21: HEATING IN CURRENT-CARRYING WIRE
March 31:
K6-01: SERIES AND PARALLEL LIGHTS - TWO BULBS
April 2:
K3-04: DEMOUNTABLE TRANSFORMER - V VS N - OSCILLOSCOPE
K3-05: DEMOUNTABLE TRANSFORMER - WELDER
K2-04: FARADAY'S EXPERIMENT - EME SET - 20, 40, 80 TURN COILS
K2-43: LENZ'S LAW - PERMANENT MAGNET AND COILS
K4-02:
MAGNETOELECTRIC GENERATOR WITH LAMP
April 5:
H1-11: MICROPHONE AND OSCILLOSCOPE
J7-23: MAGNETIC DOMAINS - MODEL
April 7:
J6-01: ELECTROMAGNET WITH BANG
April 9:
SAMPLES OF COLOR-CODED RESISTORS
J4-01: PARALLEL PLATE CAPACITOR
J4-32: DISCHARGE OF CAPACITOR WITH BANG
K5-43:
NON-OHMIC DEVICE - V VS. I
April 12:
K7-03: INDUCTOR DELAYING A LAMP
K7-21: RLC CIRCUIT - 10 KHZ - RESONANCE
K2-22: INDUCTION COIL WITH LIGHT BULB
G3-29: SUSPENDED SLINKY - PORTABLE
K8-01: ELECTROMAGNETIC WAVE - MODEL
K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN
G2-01: MASS ON SPRING - HAND HELD
April 14:
H4-51:
MODULATION - AM AND FM
K1-03: FORCE ON CURRENT IN MAGNETIC FIELD
April 19:
K1-12: CATHODE RAY TUBE - DEFLECTION BY MAGNET
K1-15: OSCILLOSCOPE CRT - DEFLECTION BY ELECTRIC FIELD
N3-04:
POSITIVE COLOR MIXING IN COLOR TV
O2-03: PERSISTENCE OF VISION - MAGIC WAND
April 21:
K8-11: MICROWAVES - STANDING WAVES
K8-21: MICROWAVES - WAVEGUIDES
K8-22:
MICROWAVES - TUBULAR WAVEGUIDE
J4-12: ELECTROSTATIC FORCE - MOVING LUMBER
G4-21: CHLADNI FIGURES - BOWED
April 23:
G4-22: CHLADNI FIGURES - OSCILLATOR DRIVEN
L2-03: MICROWAVES - REFLECTION
L4-02: REFRACTION - BEER MUG IN WATER
L4-03: REFRACTION - ROD IN WATER
L4-41: MICROWAVES - REFRACTION BY PRISM
N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS
M7-05: ROPE AND COOKIE COOLERS
Illustration of refraction using rope carried by line of walkers
April 26:
L4-41: MICROWAVES - REFRACTION BY PRISM
L2-03: MICROWAVES - REFLECTION
L5-02:
TOTAL INTERNAL REFLECTION IN LONG TANK
L5-04: MICROWAVES - TOTAL INTERNAL REFLECTION
M7-01 MICROWAVES - POLARIZATION
M7-05: ROPE AND COOKIE COOLERS
M7-07 CROSSED POLAROIDS - E FIELD COMPONENTS
N1-21: COLOR SEPARATION AND RECOMBINATION BY PRISMS
P3-53 ATOMIC ENERGY LEVEL MODEL
April 28:
M4-11:
ANTI-REFLECTIVE COATING
M4-21 SOAP FILM INTERFERENCE - SIMPLE LARGE VERSION
P3-67 FLUORESCENCE OF LAUNDRY SOAP
L5-24: FIBER OPTICS COMMUNICATION LINE
April 30:
L6-04:
OPTICAL BOARD - RAY DIAGRAM - REAL IMAGE POS LENS
[L6-08: REAL IMAGE OF CONVERGING LENS - LIGHT BULB]
L6-31: STRING MODEL - SPHERICAL ABERRATION
L6-33: STRING MODEL - CHROMATIC ABERRATION
May 3:
M2-01: LASER DIFFRACTION - PINHOLES
M2-21: MICROWAVES - DIFFRACTION BY CIRCULAR APERTURE
May 5:
P4-11: RADIOACTIVE DECAY MODEL - DICE
May 7:
P4-06: RADIOACTIVE CONSUMER PRODUCTS
P4-62: CHAIN REACTION - MOUSE TRAP MODEL