The velocity $v$ of a de Broglie wave is given by
$\left[ \begin{array}{c} u = \text{Frequency} \\ m = \text{mass} \\ C = \text{Velocity of light} \end{array} \right]$

  • A
    $mC^2$
  • B
    $u \lambda$
  • C
    $\frac{hu}{mC}$
  • D
    $\frac{C^2}{u}$

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