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The Importance Of Microwaves

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Microwaves is an electromagnetic radiation. Its wavelength is in the ranging of 30 meter to 30 millimeter and its frequency is range from 30MHz to 30GHz. An electromagnetic spectrum (EM spectrum) is means by the broad range of a wavelengths. The electromagnetic spectrum is specified into seven regions which started from the lowest wavelength, highest frequency and energy. Then, microwaves located between the radio waves and infrared which also means that the microwaves is overlap with the highest frequency and also known as the shortest wavelength of the radio waves. With the speed of light, microwaves travels in vacuum.
Microwaves can be split into three categories, which is three different ranges, from high frequency to low frequency. Firstly, goes to extremely high frequency (EHF). Frequency of extremely high frequency is between 30Hz to 30GHz. It is also called millimeter band since the wavelength is range from 10 to 1 millimeter. This extremely high frequency is usually used in remote sensing and also radioastronomy.
Furthermore, there is a super high frequency (SHF) which is having 3GHz to 30GHz of frequency and a wavelength of 10 to 1 centimeter. It is also called a centimeter band. This super high frequency is commonly used for microwaves oven, cell phones, radar transmitters, satellite communication and etc.
Another frequency …show more content…

First of all, metal surfaces can reflect microwaves. It also can causes the atoms or molecules in the materials vibrate by heating the materials. Next, microwaves is able to pass through glasses and plastics. It also can pass through the atmosphere and the ionosphere is also can passed through by microwaves without being reflected. Besides, depends on the frequency of microwaves, it can be absorbed by water molecules. Other than that, the transmission of microwaves is also affected by different kind of wave effects which are reflection, refraction, interference, diffraction and

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