The Electromagnetic Spectrum

Introduction to the electromagnetic spectrum (this is covered in junior science, and is presented here for completeness).  Penetrating altitude of various waves, use of electromagnetic spectrum in communication.  Note that the wavebands most attenuated by the earth’s atmosphere are UV, X-ray and Gamma (the higher energy wavebands).

Powerpoint Slides

Note the following relevant YouTube clip (used for exercise in slides):

The Electromagnetic Spectrum

The Electromagnetic Spectrum

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