The uncertainty in position and velocity of a particle in motion are $1 \times 10^{-8} \ m$ and $6.627 \times 10^{-20} \ m/s$, respectively. The mass of the particle is $(h = 6.627 \times 10^{-34} \ J \cdot s)$

  • A
    $\frac{10^{-4}}{2 \pi} \ kg$
  • B
    $\frac{10^{-4}}{4 \pi} \ kg$
  • C
    $\frac{10^{-6}}{2 \pi} \ kg$
  • D
    $\frac{10^{-6}}{4 \pi} \ kg$

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