A) \[\sqrt{\frac{{{\in }_{0}}}{{{\mu }_{0}}}}\]
B) \[\sqrt{{{\mu }_{0}}\,\,{{\in }_{0}}}\]
C) \[\frac{1}{\sqrt{{{\mu }_{0}}\,\,{{\in }_{0}}}}\]
D) \[\sqrt{\frac{{{\mu }_{0}}}{{{\in }_{0}}}}\]
Correct Answer: C
Solution :
[c] The velocity of electromagnetic radiation in a medium of permittivity \[{{\in }_{0}}\]and permeability \[{{\mu }_{0}}\] is equal to \[\frac{1}{\sqrt{{{\mu }_{0}}{{\in }_{0}}}}.\]
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