What is the numerical value of angular momentum for an electron in the first orbit of a hydrogen atom? $(h = 6.626 \times 10^{-34} \ J \ s)$

  • A
    $1.05 \times 10^{-34}$
  • B
    $2.10 \times 10^{-34}$
  • C
    $3.16 \times 10^{-34}$
  • D
    $4.22 \times 10^{-34}$

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