An electric dipole is situated in an electric field of uniform intensity E whose dipole…
Physics · JEE Advanced · NTA Exams — Electrostatics
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 slightly from the equilibrium position, then the angular frequency of its oscillations is
- \(\left(\frac{\mathrm{pE}}{\mathrm{I}}\right)^{1 / 2}\)
- \(\left(\frac{\mathrm{pE}}{\mathrm{I}}\right)^{3 / 2}\)
- \(\left(\frac{\mathrm{I}}{\mathrm{pE}}\right)^{1 / 2}\)
- \(\left(\frac{\mathrm{p}}{\mathrm{IE}}\right)^{1 / 2}\)
Answer
(A) ( pE I )^ 1 / 2
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