For a simple harmonic motion in a mass-spring system shown,the surface is frictionless. When the mass of the block is $1\,kg$,the angular frequency is $\omega_1$. When the mass of the block is $2\,kg$,the angular frequency is $\omega_2$. The ratio $\omega_2 / \omega_1$ is

  • A
    $\sqrt{2}$
  • B
    $\frac{1}{\sqrt{2}}$
  • C
    $2$
  • D
    $\frac{1}{2}$

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