Question
One of the most common uses for microwaves is cooking food. But it can also be used to heat or melt some objects and materials. Microwaves are a form of radio waves that are high frequency ...
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Question
A microwave oven does emit thermal radiation to heat up food. Microwave radiation is thermal radiation. For some reason, pre-college teachers and books have a mistaken notion that thermal radiation = infrared radiation. All frequencies of the electromagnetic spectrum carry ...
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