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Q.

If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding quantities in a medium, the refractive index of the medium is

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a

μεμ0ε0

b

μεμ0ε0

c

μ0ε0με

d

μμ0εε0

answer is A.

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Detailed Solution

Refractive index =cv=1μ0ε0×με1=μεμ0ε0
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