The electromagnetic wave is classified in a scientific scale called Electromagnetic Spectrum. Observing
the spectrum below, the communication waves have a relatively long length and a low frequency. As
we move down the spectrum, the length of the waves become smaller and the frequency becomes
higher (ex. X-Rays and Gamma Ray). We also observe that the microwaves fit among the TV
transmission waves and the infrared levels.
The microwaves utilized for microwave ovens have approximately 12 cm of length, with a frequency
of 2.45GHz. In other words, they complete 2,450,000,000 cycles per second.
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