Which of the following relations is correct,if the wavelength $(\lambda)$ is equal to the distance travelled by the electron in one second? $h$ is the Planck's constant and $m$ is the mass of electron.

  • A
    $\lambda = h / p$
  • B
    $\lambda = h / m$
  • C
    $\lambda = \sqrt{ h / p }$
  • D
    $\lambda = \sqrt{ h / m }$

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