Needs New Photo
H3-03: REFLECTION OF PULSES IN TUBE
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the phase of pulses reflected from open ends and closed ends of a tube.
H3-02: STANDING SOUND WAVES - REFLECTION
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from one source and its reflection.
H3-01: STANDING SOUND WAVES - TWO SOURCES
Category: H3 Standing Sound Waves
Purpose:
Demonstrate the origin of standing waves from two identical sources.
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate addition of two sine waves with variable phase difference.
H2-25: QUINCKE'S INTERFERENCE TUBES
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound waves in a perhaps surprising way.
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate interference of sound with two coherent sound sources in a quantitative way.
H2-03: ACOUSTIC RADAR
Category: H2 Wave Properties of Sound
Purpose:
Illustrate how RADAR and SONAR work
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Category: H2 Wave Properties of Sound
Purpose:
Demonstrate how sound waves can be focused by concave reflectors.
G3-52: ROPE WAVE GENERATOR - ROPE TENSION VS WAVELENGTH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Observe the change in wavelength of a vibrating rope as the tension is varied.
G3-42: TORSIONAL WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate wave phenomena such as traveling waves, standing waves, and reflection of waves.
G3-25: SLINKY ON LECTURE TABLE - IMPEDANCE MISMATCH
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show partial reflections and dependence of wave speed on density of the medium.
G3-23: TRANSVERSE WAVES ON A LONG SPRING - FREE END
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show reflections at a free end.
G3-11: SHIVE WAVE MACHINE - RESONANCE ABSORPTION
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate resonance absorption of wave energy by a mass-on-spring system.
G3-10: SHIVE WAVE MACHINE - BRANCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate branching and recombining with two wave machines in parallel.
G3-09: SHIVE WAVE MACHINE - FREQUENCY FILTERING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate frequency filtering through a "filter" consisting of four weighted crossarms and the interference from partial reflections they produce.
G3-08: SHIVE WAVE MACHINE - FABREY-PEROT INTERFEROMETER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate the mechanical analog of the optical Fabrey-Perot interferometer.
G3-07: SHIVE WAVE MACHINE - TAPERED TRANSFORMER
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Useful for obtaining a reasonably good impedance match between the two large segments of the Shive machine.
G3-05: SHIVE WAVE MACHINE - PARTIAL REFLECTIONS
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that a wave will be partially reflected at a point where the impedance changes.
G3-06: SHIVE WAVE MACHINE - IMPEDANCE MATCHING
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Show that no reflection occurs when the impedance of the load (absorber at right) matches the impedance of the wave machine.
G3-04: SHIVE WAVE MACHINE - STANDING WAVES
Category: G3 Mechanical Waves - One Dimensional
Purpose:
Demonstrate standing waves.
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I3-01: BAROMETER - ANEROID TYPE
Indicate air pressure. Read More
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I3-02: BAROMETER - WEIGHT PARADOX
Show how a barometer really works using a counterintuitive problem. Read More
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I3-03: GALILEO'S THERMOSCOPE
Measure very small pressure changes. Read More
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I3-04: GALILEAN THERMOMETER
Illustrate a very heat-sensitive device. Read More
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I3-10: LUNG FUNCTION MODEL
Show how air pressure differences cause the lungs to expand and contract. Read More
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I3-11: WATER BAROMETER - BOTTLE COLLAPSE
Demonstrate the pressure in a water column. Read More
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I3-12: WATER BAROMETER - CAN CRUSHER
Illustrate a result of atmospheric pressure. Read More
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I3-13: INVERTED GLASS OF WATER
Show one result of atmospheric pressure. Read More
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I3-14: MAGDEBURG HEMISPHERES
Demonstrate force arising from the atmospheric pressure of air. Read More
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I3-15: MAGDEBURG HEMISPHERES - PORTABLE
Demonstrate forces arising from atmospheric air pressure. Read More
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I3-16: COLLAPSE OF CAN - LARGE PUMP
Demonstrate the forces created by atmospheric air pressure. Read More
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I3-17: COLLAPSE OF CAN - PORTABLE PUMP
Demonstrate the forces created by atmospheric air pressure. Read More
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I3-18: VACUUM BAZOOKA
Illustrate one effect of atmospheric pressure and force. Read More
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I3-19: LIFTING USING ATMOSPHERIC PRESSURE
Dramatically demonstrate an effect of air pressure. Read More
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I3-20: COLLAPSE OF CAN - LARGE CAN WITH MALLET
Demonstrate collapse of a can by atmospheric pressure. Read More
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I3-31: IDEAL GAS LAW - VOLUME OF ONE MOLE
Demonstrate that one mole of gas occupies 22.4 liters at STP. Read More
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I3-32: ISOBARIC EXPANSION OF AIR
Demonstrate expansion of air without change in pressure. Read More
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I3-33 HELIUM BALLOON ON LIQUID NITROGEN
Demonstrates how a gas contracts when cooled
Read More
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I3-35: SOLAR BAG
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I3-41: BOYLE'S LAW - PROJECTION
Demonstrate Boyle's law. Read More
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I3-42: BOYLED MARSHMALLOWS
Amusing demonstration of Boyle's Law. Read More
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I3-43: TIRE PRESSURE - UNLOADED AND LOADED
Show that tire pressure does not change when the tire is loaded within its normal operating limits. Read More
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I3-51 CHARLES' LAW - PROJECTION
Demonstrates Charles' law
Read More
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I3-52: CONSTANT VOLUME GAS THERMOMETER - ABSOLUTE ZERO
Determine the value of absolute zero. Read More
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