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Automatic Door Opener

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Speed Limit Enforcement

Em Wave Definition-Microwave

Shorter wavelength, Higher frequency & Stronger Energy than radio waves communications.

Wavelength Range

1mm - 25um

Frequency Range

3x1011 - 1013 Hz

4 uses of Microwaves

Medicine, Industry, Science, Consumer Goods, and Communication.

Two Interesting Facts

  • The first microwave ever built was 6 feet tall,size of a refrigerator,and weighed nearly 750 pounds.
  • The first microwave cost $5,000