Which of the following is the dimensional formula for electric polarisation? (a) [M⁰L⁻²T¹I¹] (b) [M⁻¹L⁻²T¹I⁻¹] (c) [M⁰L⁻¹T⁻¹I¹] (d) [M¹L⁻²T¹I¹]

Answer: (a). Polarisation = dipole moment per unit volume: P = p/V, unit C m ⁻². [P] = ([I T][L])/([L³]) = [M⁰ L⁻² T¹ I¹] So the answer is (a) [M⁰L⁻²T¹I¹].

Which of the following is the dimensional formula for electric… | MHT CET 2019 (3 May, Shift 1)

Q64MHT CET 2019 · 3 MAY · SHIFT 1Easy

Electric Dipole

Which of the following is the dimensional formula for electric polarisation?

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Answer: (a)

Polarisation = dipole moment per unit volume: $P = \frac{p}{V}$ , unit C m $^{-2}$ .
$[P] = \frac{[I T][L]}{[L^3]} = [M^0 L^{-2} T^1 I^1]$
So the answer is (a) $[M^0L^{-2}T^1I^1]$ .

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