An electron moves with a speed of 2.0 × 10⁸ms^-1 in a straight line. Calculate the wavelength of the electron wave. [mass of an electron = 9.1 × 10^-31Kg, Planck's constant = 6.6 × 10^-34]

• A.3.63 × 10^-10m
• B.6.51 × 10^-9m
• C.4.24 × 10^-8m
• D.7.25 × 10^-8m