How do microwave ovens cook food?

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Rajesh N V

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IN Microwave there is no heating element instead of it has a magnetron which produces alternating energy waves by using electric energy and this energy waves increase KE of water molecules and thus by KTG its temperature increases and in this way food gets cooked
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Professional Tutor With 10+ Yrs Experience teaching foreign students too

Microwave channel heat energy directly to the molecules inside food. Microwaves heat food like the sun heats your face—by radiation.
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B.Tech(EC/EE/IN),Math(IX,X,XI,XII std.),Physics(IX,X,XI,XII std.) CBSE/ICSE/IB.

Microwave ovens use radio waves at a specifically set frequency to agitate water molecules in food. As these water molecules get increasingly agitated they begin to vibrate at the atomic level and generate heat. This heat is what actually cooks food in the oven.
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Microwave ovens are so quick and efficient because they channel heat energy directly to the molecules (tiny particles) inside food. Microwaves heat food like the sun heats your face—by radiation.
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Science Expert

"Microwave ovens cook food by generating intermolecular friction between the molecules of the food. The microwaves cause water molecules to vibrate; the increased friction between the molecules results in heat.
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based on atom's polarisation
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Mathematics Tutor having vast teaching Experience, Gold Medalist, International Teaching Experience. My previous experience includes Head of Mathematics Department, Delhi Public School, Academic In charge, International Indian School.

Microwave ovens cook food by generating inter-molecular friction between the molecules of the food. The microwaves cause water molecules to vibrate; the increased friction between the molecules results in heat.
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Math Magician

by the method of radiation
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Chemist, PhD ,Organic Chemistry, Biochemistry

microwave ovens are designed to produce electromagnetic radiations called microwaves. these waves can interact with the molecules (especially water molecules) there by increasing the rotational energy of the molecule. this increase in the energy will actually increase the temperature of the near by molecules...
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microwave ovens are designed to produce electromagnetic radiations called microwaves. these waves can interact with the molecules (especially water molecules) there by increasing the rotational energy of the molecule. this increase in the energy will actually increase the temperature of the near by molecules and intern the food itself. read less
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Microwave ovens use radio waves at a specifically set frequency to agitate water molecules in food. As these water molecules get increasingly agitated they begin to vibrate at the atomic level and generate heat. This heat is what actually cooks food in the oven.
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