Electromagnetic Waves – These are formed when an electric field comes in contact with a magnetic field. The electric field and magnetic field of an electromagnetic wave are perpendiculars (at right angles) to each other. They are also perpendicular to the direction of the EM wave. An electromagnetic wave can pass through the air, a…
Tag: Electromagnetic Spectrum
Advantages and Disadvantages of using a Microwave Oven
A microwave oven is a very popular kitchen appliance among people worldwide which cooks and reheats food in a few minutes by using microwave radiation in the electromagnetic spectrum and maintains several nutrients in the meal. This device is used to cook several varieties of food and also reheat earlier cooked foods. The design of…
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