In both figures shown below a hole along the diameter of earth. In first, a particle is released from $A$ and it oscillated with time period $T_1$. In second figure, same particle is released from point $B$ and it oscillates with time period $T_2$ then [$O$ is centre of earth]

830-555

  • A

    $T_1 > T_2$

  • B

    $T_1 < T_2$

  • C

    $T_1 = 2T_2$

  • D

    $T_1 = T_2$

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