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physical object > natural object > particle > boson > carrier boson > photon > microwave > submillimeter
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submillimeter comparison table
Subject is a kind of has frequency has wavelength has definition
microwavephotoninversely proportional to the wavelengthinversely proportional to its momentumRadio radiation with wavelengths of about 10-4 to 1 meter, equal to 109 to 1013 hertz.
submillimetermicrowave300 GHz to 3 THz100 μm to 1 mm 

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