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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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G2-01 MASS ON SPRING - HAND HELD
Demonstrates resonance and phase shift at resonance
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G2-02: FORCED HARMONIC MOTION WITH DAMPING - LARGE
Demonstrate and graph driven and damped harmonic motion. Read More
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G2-03: RESONANCE IN TORSIONAL PENDULUM - PROJECTION
Demonstrate quantitatively all aspects of the driven and damped oscillator. Read More
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G2-04: DAMPED OSCILLATIONS
Demonstrate damped harmonic oscillations. Read More
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G2-05: AIR TRACK - DRIVEN AND DAMPED OSCILLATIONS
Illustrate the behavior of a driven and damped oscillator. Read More
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G2-06: FRAHM'S FREQUENCY METER
Check the 60 Hz line voltage frequency. Read More
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G2-07: PSYCHOACOUSTIC VIBRATION TRANSDUCER
Trick your students while illustrating resonance
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G2-08: DRIVEN NONLINEAR OSCILLATOR
Demonstrate amplitude "jumps" and resonance hysteresis in Duffing's equation. Read More
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G2-09: FORCED HARMONIC MOTION WITH SONAR
Plot a graph of forced damped harmonic motion near the resonant frequency. Read More
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G2-11: RESONANT SAW BLADES - HAND DRIVEN
Show that a mechanical oscillator responds with a maximum amplitude to its own resonant frequency. Read More
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G2-12: BARTON'S PENDULUMS
Demonstrate driven resonance. Read More
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G2-21 COUPLED PENDULA
Demonstrates coupling of motion between two pendula of the same length
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G2-22: BAR-COUPLED PENDULA
Demonstrate a coupling resonance and to show normal modes. Read More
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G2-23: SPRING-COUPLED PHYSICAL PENDULA
Demonstrate resonance and normal modes. Read More
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G2-24: COUPLED PENDULA - 100 TO 1 MASS RATIO
Illustrate mechanical resonance. Read More
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G2-25: COUPLED PENDULA - 1000:100:10:1 MASS RATIO.
Illustrate a complex resonance system. Read More
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G2-26: COUPLED AIR TRACK GLIDERS
Demonstrate coupled oscillations and normal modes in a system of two identical coupled air track gliders. Read More
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G2-27: COUPLED SERIES MASSES HANGING ON SPRINGS
Illustrate coupled oscillations and normal modes. Read More
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G2-28: COUPLED PENDULA WITH VARIABLE DRIVER
Show that the maximum coupling occurs between pendula of the same length. Read More
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G2-41: WILBERFORCE PENDULUM
Demonstrate a linear coupling resonance and normal modes. Read More
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G2-42: ELASTIC PENDULUM
Demonstrate a non-linear coupling resonance and stable fixed points. Read More
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