An electron jumps from the $5^{th}$ orbit to the $4^{th}$ orbit of a hydrogen atom. Taking the Rydberg constant as $10^7 \ m^{-1}$,what will be the frequency of the radiation emitted?

  • A
    $6.75 \times 10^{12} \ Hz$
  • B
    $6.75 \times 10^{14} \ Hz$
  • C
    $6.75 \times 10^{13} \ Hz$
  • D
    None of these

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