$A$ radio can tune into any station in the $6 \text{ MHz}$ to $12 \text{ MHz}$ band. What is the corresponding wavelength band? ( $c = 3 \times 10^{8} \text{ m/s}$ )

  • A
    $25 \text{ m}$ to $50 \text{ m}$
  • B
    $20 \text{ m}$ to $30 \text{ m}$
  • C
    $40 \text{ m}$ to $60 \text{ m}$
  • D
    $10 \text{ m}$ to $20 \text{ m}$

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