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Electromagnetic Spectrum - By Order

How well do you know the invisible world around us? From the waves that cook your popcorn to the rays that help doctors see your bones, test your knowledge of the Electromagnetic Spectrum. Can you name all seven regions in order of increasing frequency?
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Heli4m
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Last updated: February 3, 2026
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First submittedFebruary 1, 2026
Times taken16
Average score100.0%
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Wavelength
Answer
103 m
Radio
10-2 m
Microwave
10-5 m
Infrared
5 * 10-7 m
Visible
Wavelength
Answer
10-8 m
Ultraviolet
10-10 m
X-Ray
10-12 m
Gamma Ray
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