An Electron Is Accelerated from Rest Through a Potential Difference

Multiple Choice

An electron is accelerated from rest through a potential difference.After acceleration the electron has a wavelength of 880 nm.What is the potential difference responsible for the acceleration of the electron?

A) 1.9 × 10^-6 V
B) 1.7 × 10^-6 V
C) 2.2 × 10^-6 V
D) 2.5 × 10^-6 V