Radio Wave: Radio Waves are the longest waves of the electromagnetic spectrum.Broadcast stations use them carry signals in a kind of code AM FM.
Microwave: Microwaves are shortwave radio waves.Water in foods absorbs microwaves very readily.The energy from the absorbed microwaves speeds up the water molecules inside the food.
EXAMPLE X Rays and Gamma Rays: The shortest wavelenghts of the spectrum-X rays and Gamma rays-have great penetrating power. |
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