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1. Match the following frequency band ranges with their proper letter
|30 kHz - 300 MHz
300 MHz - 1 GHz
1 GHz - 2 GHz
2 GHz - 4 GHz
4 GHz - 8 GHz
8 GHz - 12 GHz
12 GHz - 18 GHz
18 GHz - 27 GHz
27 GHz - 40 GHz
40 GHz - 75 GHz
75 GHz - 110 GHz
|Atomic polarization||Occurs when molecules with ionic bonds have a displacement of the positive ions relative to negative ions in the presence of an electric field.|
|Ionic polarization||Occurs when the center of an electron cloud of an atom is displaced relative to the center of the nucleus in the presence of an electric field.|
|Orientation polarization||Occurs when molecules that have a permanent dipole moment, but are naturally randomly oriented, orient themselves in the presence of an electric field.|
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