A rare gas has N atoms per m³. If electronic polarizability of single – McqOptions

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1.	A rare gas has N atoms per m³. If electronic polarizability of single atom of this gas is αe, then
A.	∈ᵣ = Nαe
B.	∈₀∈ᵣ = Nαe
C.	∈₀(∈ᵣ - 1) = Nαe
D.	∈₀(∈ᵣ - 2) = Nαe
Answer» D. ∈₀(∈ᵣ - 2) = Nαe

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