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Which polarizability is the ionic polarizability?

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in Engineering Physics II by (679k points)
Which polarizability is the ionic polarizability?

(a) αa

(b) αb

(c) αc

(d) αd

The question was posed to me during a job interview.

My question comes from Types of Polarisation in division Dielectrics of Engineering Physics II

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Best answer
Right option is (c) αc

The best explanation: The following graph shows the variation of total polarizability with the frequency. In the graph. αa is for the space-charge polarizability, αb is for the orientational polarizability, αc is the ionic polarizability and αd is the electronic polarizability.

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