Why do microwaves operate at a frequency of 2.45GHZ

Subject: Why do microwaves operate at a frequency of 2.45GHZ

Date: Mon Mar 31 14:18:58 2003
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Area of science: Physics
ID: 1049138338.Ph

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As it is to do with water and it's dipole moment and friction. But water does 
not resonate at this frequency. So what other factors come into play in 
determining this pre-set frequency for microwave ovens?

Re: Why do microwaves operate at a frequency of 2.45GHZ

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