27. If k₁ and k₂ are the real and imaginary parts of the complex wave number k* for a dispersive medium for electro-magnetic wave propagation then the absorption coefficient (a) and the refractive index (n) of the medium are given by (symbols have their usual meanings.) (1) α = = 2k₁, n = ck₂/w (2) α = 2k₂, n = ck₁/w (3) a= k₂, n = ck₁/w (4) a= 2k₂, n = ck₂/w
27. If k₁ and k₂ are the real and imaginary parts of the complex wave number k* for a dispersive medium for electro-magnetic wave propagation then the absorption coefficient (a) and the refractive index (n) of the medium are given by (symbols have their usual meanings.) (1) α = = 2k₁, n = ck₂/w (2) α = 2k₂, n = ck₁/w (3) a= k₂, n = ck₁/w (4) a= 2k₂, n = ck₂/w
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27. If k₁ and k₂ are the real and imaginary parts of the complex wave number k* for a dispersive medium for electro-magnetic wave propagation then the absorption coefficient (a) and the refractive index (n) of the medium are given by (symbols have their usual meanings.)
(1) α = = 2k₁, n = ck₂/w
(2) α = 2k₂, n = ck₁/w
(3) a= k₂, n = ck₁/w (4) a= 2k₂, n = ck₂/w
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