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MCQMediumJEE Main 2025 · 29 January, Shift 1Electric Dipole

Physics Question from JEE Main 2025 · 29 January, Shift 1

An electric dipole of mass mm, charge qq, and length ll is placed in a uniform electric field E=E0i^\mathbf{E} = E_0 \hat{i}. When the dipole is rotated slightly from its equilibrium position and released, the time period of its oscillations will be:

  • A

    2πmlqE02\pi \sqrt{\frac{ml}{qE_0}}

  • B

    12π2mlqE0\frac{1}{2\pi} \sqrt{\frac{2ml}{qE_0}}

  • C

    12πml2qE0\frac{1}{2\pi} \sqrt{\frac{ml}{2qE_0}}

  • D

    2πml2qE02\pi \sqrt{\frac{ml}{2qE_0}}

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