Two radiations having energies $E_1$ and $E_2$ as $15 \ eV$ and $45 \ eV$ respectively,then the relationship between $\lambda_1$ and $\lambda_2$ will be:

  • A
    $\lambda_1 = \lambda_2$
  • B
    $\lambda_1 = 3\lambda_2$
  • C
    $\lambda_1 = \lambda_2/3$
  • D
    $\lambda_1 = 9\lambda_2$

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