Microwaves have the frequency 1GHz -300GHz.
Microwaves range in size from 1mm to 1m and have the frequency of 300 MHz to 300 GHz. Radars, transmission towers, microwave ovens, and other devices frequently use microwave technology.
Microwaves:
Microwave is a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter corresponding to frequencies between 300 MHz and 300 GHz respectively. Food absorbs the microwaves after they are reflected by the oven's metal inside. Food is cooked with microwaves by creating heat by vibrating the water molecules. Fresh vegetables, for example, have a high water content, thus they can be cooked more quickly than other foods.
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