Question 39An 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 × 10-10mB.6.51 × 10-9mC.4.24 × 10-8mD.7.25 × 10-8mObjective Show full explanation