Electromagnetic Radiation
H4-52: SPECTRUM ANALYSIS OF MODULATION
Category: H4 Music
Purpose:
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats.
H4-51: MODULATION - AM AND FM
Category: H4 Music
Purpose:
Demonstrate AM and FM signal modulation as an introduction to vibrato and tremolo.
L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR
Category: L3 Curved Mirrors
Purpose:
Illustrate focusing of heat in a very dramatic way.
E2-49: PULSAR MODEL - RADIOWAVES
Category: E2 Astronomy
Purpose:
Show the changing field pattern from a rotating dipole.
K8-04: SPEED OF LIGHT
Category: K8 Electromagnetic Waves and Sources
Purpose:
Measure the speed of light
K2-63: DISPLACEMENT CURRENT MODEL
Category: K2 Electromagnetic Induction
Purpose:
Illustrate the geometry for displacement current
I2-12: RADIATION FROM COLD OBJECT
Category: I2 Transfer of Heat
Purpose:
Show radiation from a cold object
K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates transmission of energy in electromagnetic waves. Shows the radiation pattern of the dipole antenna
K8-45 RADIO WAVES FROM SPARK
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrates that a spark contains radio waves
K8-03 LIGHT NANOSECOND
Category: K8 Electromagnetic Waves and Sources
Purpose:
Shows the distance light travels in one nanosecond
K8-01 ELECTROMAGNETIC WAVE - MODEL
Category: K8 Electromagnetic Waves and Sources
Purpose:
Shows the relationship between the electric and magnetic field vectors in a plane-polarized traveling electromagnetic wave
J3-23 FARADAY CAGE - RADIOWAVES
Category: J3 Electric Fields and Potential
Purpose:
Demonstrates that radio waves cannot penetrate a Faraday cage
I2-08 RADIATIVE HEAT TRANSFER
Category: I2 Transfer of Heat
Purpose:
Shows radiation from a hot object
I2-06 THERMOPILE WITH AUDIO OSCILLATOR
Category: I2 Transfer of Heat
Purpose:
Observe infrared radiation
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L3-01: OPTICAL BOARD - CONVEX SPHERICAL MIRROR
Show reflection of light rays from a convex mirror Read More
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L3-02: OPTICAL BOARD - RAY DIAGRAM - CONVEX MIRROR
Determine the image position for an object in front of a convex mirror using the three principal rays Read More
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L3-03 LARGE CONVEX MIRROR (60cm)
Show the image of a convex mirror Read More
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L3-11: OPTICAL BOARD - CONCAVE SPHERICAL MIRROR
Illustrate reflection from a concave spherical mirror Read More
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L3-12: OPTICAL BOARD - RAY DIAGRAM - CONCAVE MIRROR
Locate the image of a concave mirror by using the three principal rays Read More
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L3-13: OPTICAL BOARD - SPHERICAL ABERRATION IN CONCAVE MIRROR
Show spherical aberration in a spherical mirror Read More
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L3-14 LARGE CONCAVE MIRROR (60cm)
Illustrate the types of images created by a concave mirror Read More
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L3-16 FOCUSING OF HEAT WAVES BY MIRRORS
Demonstrate that concave mirrors can focus heat waves Read More
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L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR
Illustrate focusing of heat in a very dramatic way Read More
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L3-19 PENNY AND PARABOLIC MIRRORS
Classic illusion of penny levitating above a pair of parabolic concave mirrors Read More
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L3-20: APPARENT REFLECTION FROM REAL IMAGE
Illusion of laser beam reflecting off an image Read More
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L3-21: LIGHT BULB AND PARABOLIC MIRROR
Optical illusion with real image of a concave mirror Read More
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L3-22: MIRAGE
Demonstrate an optical illusion using concave mirrors Read More
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L3-23: IMAGE ON SCREEN USING CONCAVE MIRROR
Show an image produced by a concave mirror Read More
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L3-24: OPTICAL BOARD - SPHERICAL AND PARABOLIC MIRRORS
Demonstrate the difference in spherical aberration between concave spherical and parabolic mirrors Read More
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L3-25: IMAGE LOCATION WITH TV CAMERA - CONCAVE MIRROR
Locate the image position for a concave mirror Read More
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L3-26: PENDULUM AND SPHERICAL MIRROR
Optical illusion using concave mirror Read More
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L3-31 GIANT 160cm MIRROR - CONCAVE AND CONVEX
Dramatic demonstration of images of concave and convex mirrors Read More
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L3-32: CYLINDRICAL MIRROR DEMONSTRATOR
Demonstration of cylindrical concave and convex mirrors Read More
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L3-33: VANITY MIRROR
Show the image produced by a concave mirror Read More
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L3-41: ANAMORPHIC ART
Demonstrate a type of anamorphic art Read More
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