If electric permittivity and magnetic permeability of the medium are – McqOptions

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1.	If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by:
A.	Cm = 1/εμ
B.	Cm = 1/√8 μ
C.	Cm = 5/√εμ
D.	None of these
Answer» C. Cm = 5/√εμ

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