Two charged particles of masses $m$ and $2m$ have charges $+2q$ and $+q$ respectively. They are kept in uniform electric field and allowed to move for some time. The ratio of their kinetic energies will be

  • A

    $1 : 1$

  • B

    $4 : 1$

  • C

    $1 : 4$

  • D

    $8 : 1$

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