The two planets have radii $r_1$ and $r_2$ and their densities $p_1$ and $p_2$ respectively. The ratio of acceleration due to gravity on them will be

  • A

    $r_1 p_1 : r_2 p_2$

  • B

    $r_1 p_1^2 : r_2 p_2^2$

  • C

    $r_1^2 p_1 : r_2^2 p_2$

  • D

    $r_1 p_2 : r_2 p_1$

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