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The permittivity and permeability of fre...

The permittivity and permeability of free space are `epsilon_(0) = 8.85 xx 10^(-12)C^(2)N^(-1)m^(-2)"and"mu_(0) = 4pi xx 10^(-7)"TmA"^(-1),` respectively. Find the velocity of the electromagnetic wave.

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`c=(1)/(sqrt(mu_(0)epsilon_(0)))=3xx10^(8)m//s`
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