Two masses of $1 \,gm$ and $4 \,gm$ are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is

  • [IIT 1980]
  • [AIIMS 1987]
  • [AIPMT 1989]
  • A

    $4:1$

  • B

    $\sqrt 2 :1$

  • C

    $1:2$

  • D

    $1:16$

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