The wavelength of a photon with energy $35 \text{ keV}$ is . . . . . . .
$(h = 6.625 \times 10^{-34} \text{ J s}, c = 3 \times 10^{8} \text{ m/s}, 1 \text{ eV} = 1.6 \times 10^{-19} \text{ J})$

  • A
    $35 \times 10^{-12} \text{ m}$
  • B
    $35 \text{ Å}$
  • C
    $3.5 \text{ nm}$
  • D
    $3.5 \text{ Å}$

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