An electric dipole is situated in an electric field of uniform intensity E whose dipole moment is p and moment of inertia is I. If the dipole is displaced then the angular frequency of its oscillation is :
A
(pEI)12
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B
(pEI)32
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C
(IpE)12
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D
(pIE)12
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Solution
The correct option is A(pEI)12 When the electric dipole is placed in a electric field in equilibrium position is displaced by small angle θ, then it executes S.H.M due to restoring couple