The speed of electromagnetic wave in a medium (whose dielectric constant is 2.25 and relative pe....

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The speed of electromagnetic wave in a medium (whose dielectric constant is 2.25 and relative
P
permeability is 4) is equal to \( \mathrm{n} \times 10^{8} \mathrm{~m} / \mathrm{s} \). Find the
W
value of \( n \).


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