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Radar was very important during World War II. It used electromagnetic waves to de- tect, for example, the location of planes relative to a ground

Radar was very important during World War II. It used electromagnetic waves to de- tect, for example, the location of planes relative to a ground location. Discuss whether such radar set-ups would be practical using AM-radio waves ( '100 m). What about microwaves ( 10 cm)?

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