The wavelength of the first line of the Balmer series is $6563 \; Å$. The Rydberg constant for hydrogen is about

  • A
    $1.09 \times 10^7 \; m^{-1}$
  • B
    $1.09 \times 10^8 \; m^{-1}$
  • C
    $1.09 \times 10^9 \; m^{-1}$
  • D
    $1.09 \times 10^5 \; m^{-1}$

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