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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

Purpose: Measure the speed of light

K2-63: DISPLACEMENT CURRENT MODEL

Purpose: Illustrate the geometry for displacement current

I2-12: RADIATION FROM COLD OBJECT

Purpose: Show radiation from a cold object

K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN

Purpose: Demonstrates transmission of energy in electromagnetic waves. Shows the radiation pattern of the dipole antenna

K8-45 RADIO WAVES FROM SPARK

Purpose: Demonstrates that a spark contains radio waves

K8-03 LIGHT NANOSECOND

Purpose: Shows the distance light travels in one nanosecond

K8-01 ELECTROMAGNETIC WAVE - MODEL

Purpose: Shows the relationship between the electric and magnetic field vectors in a plane-polarized traveling electromagnetic wave

J3-23 FARADAY CAGE - RADIOWAVES

Purpose: Demonstrates that radio waves cannot penetrate a Faraday cage

I2-08 RADIATIVE HEAT TRANSFER

Purpose: Shows radiation from a hot object

I2-06 THERMOPILE WITH AUDIO OSCILLATOR

Purpose: Observe infrared radiation
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