An Electron M_e = 9

Multiple Choice

An electron m_e = 9.11 × 10^-31 kg) traveling with a velocity of 1.1 × 10⁶ m/s has a de Broglie wavelength of approximately

A) 0.66 nm.
B) 0.78 nm.
C) 0.89 nm.
D) 0.97 nm.
E) 1.2 nm.