An electromagnetic wave is travelling in a medium of permeability \mu_m and permittivity ∊_m . If ‘c’ is speed of the wave in free space, then, the refractive index of the medium is

Correct Answer is : c√∊mµm

TS EAMCET Medical 2015 Paper

Question : 114 of 160

Marks: +1, -0

An electromagnetic wave is travelling in a medium of permeability µm and permittivity ∊m . If ‘c’ is speed of the wave in free space, then, the refractive index of the medium is

c
√µm∊m
1
c
√µm/∊m
c√∊m/µm
c√∊mµm

Validate

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