EM Waves & Communication

PHYSICS- P1 Energy for the Home

  • Created by: Tam
  • Created on: 17-04-12 18:22

Seven Types of EM Waves

=> Electromagnetic radiation can occur at many different wavelengths

==> Waves with similar wavelengths tend to have similar properties

==> All forms of electromagnetic radiation travel at the same speed through a vacuum. This mans that waves with a shorter wavelength have a higher frequency.

(http://www.astrosurf.com/luxorion/Radio/spectrum-radiation.png)About half the EM we receive from the Sun is visible light. Most of the rest is infrared (heat) & UV.

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