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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O1-01: EYE MODEL - OPTICS
Demonstrate the optics of the eye and corrections of optical defects. Read More
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O1-02: EYE OPTICS MODEL - INDIVIDUAL VIEWING
Show inversion of the image on the retina by the eyelens. Read More
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O1-03: IMAGE INVERSION ON RETINA
Model image inversion on the retina. Read More
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O1-04: IMAGE INVERSION ON RETINA - INDIVIDUAL VIEWING
Individual demonstration of image inversion on retina. Read More
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O1-05: EYESCOPE
See your retina! Read More
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O1-11: TEST OF NEARSIGHTEDNESS VS. FARSIGHTEDNESS
Identify nearsighted and farsighted eyes using laser speckle. Read More
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O1-21: CHROMATIC ABERRATION IN EYE
Observe chromatic aberration in your eye. Read More
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O1-22: SPHERICAL ABERRATION IN EYE USING PINHOLE
Show spherical aberration in eye and its correction. Read More
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O1-23: ASTIGMATISM - ON AXIS
Demonstrate on-axis astigmatism. Read More
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O1-31: MACH BANDS
Demonstrate Mach bands. Read More
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O1-32: DARK AXLE
Demonstrate the dark axle illusion. Read More
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O1-41: FLOATERS
Individual observation of floaters in the eye. Read More
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