Between a photon of violet light with a wavelength of $4000 \ \mathop A\limits^o$ and a photon of red light with a wavelength of $7000 \ \mathop A\limits^o$,which one has higher energy?

  • A
    $E_{\text{violet}}$
  • B
    $E_{\text{red}}$
  • C
    Both are equal
  • D
    Data is insufficient

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