Microwaves are detected by a ghosts b electromagnetic fields c micowave ovens d cooling systems?
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Answer:
None of the above. Ghosts are not a part of physics. Electromagnetic fields in a static sense do not exist. Electromagnetic radiation does; it consists of a changing electric field which causes a changing magnetic field which causes a changing electric field which causes . . . and so on forever. Electromagnetic radiation moves off at the speed of light ; it has different properties depending on how fast the fields are changing, including radio waves, microwaves and light.. A microwave oven generates microwaves. Microwave radiation cannot "detect" itself. Cooling systems are designed and built to cool. They can't detect anything, including microwaves.
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