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Classical Physics
Optics
Energy of Electromagnetic Waves in Destructive Interference
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[QUOTE="sophiecentaur, post: 6814489, member: 199289"] So your sources are approximations, which is fine, and they do the job that's required, apparently but you don't need to suggest departure from that basic conservation of energy principle to explain why the energy is apparently disappearing. I always try to reach for the simplest wave systems available and RF antenna fill the bill well. They are pretty good omni radiators (in one plane) and they radiate coherent signals. Also, the Impedances can be calculated with some accuracy (a lot better than narrow slits, for instance). When some Power appears to be missing then the realities of non perfect transmitter amplifiers is somewhere to look. The same thing will apply to acoustic experiments with multiple speakers. [/QUOTE]
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Energy of Electromagnetic Waves in Destructive Interference
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