What is the de Broglie wavelength of an electron with a velocity of 10⁷ m/s

• A

  $7.3\times {10}^{-11} \mathrm{m}$

• B

  $6.63\times {10}^{-10} \mathrm{m}$

• C

  $7.3\times {10}^{-10} \mathrm{m}$

• D

  $6.63\times {10}^{-34} \mathrm{m}$