Automatic Door Opener
Speed Limit Enforcement
Em Wave Definition-Microwave
Shorter wavelength, Higher frequency & Stronger Energy than radio waves communications.
1mm - 25um
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