(a) Explain the terms (i) ferroelectricity and (ii) piezoelectricity.

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(a) Explain the terms (i) ferroelectricity and (ii) piezoelectricity.
(b) Show that aɑ =
p2
/3keT; where the symbols have their usual meanings. Express the
Clausius-Mosotti relation in terms of total polarizability.
(c) The static dielectric constant of water is 6 and its refractive index is 1.33. Calculate the
percentage contribution of polarizability.
Transcribed Image Text:(a) Explain the terms (i) ferroelectricity and (ii) piezoelectricity. (b) Show that aɑ = p2 /3keT; where the symbols have their usual meanings. Express the Clausius-Mosotti relation in terms of total polarizability. (c) The static dielectric constant of water is 6 and its refractive index is 1.33. Calculate the percentage contribution of polarizability.
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