An Electron Is Confined to a Region of Space of Length

Multiple Choice

An electron is confined to a region of space of length L = 0.2 nm.The minimum uncertainty in its momentum is approximately

A) 5.3 $\times$ 10^-25 kg · m/s
B) 2.6 $\times$ 10^-25 kg · m/s
C) 2.6 $\times$ 10^-22 kg · m/s
D) 5.3 $\times$ 10^-22 kg · m/s
E) 2.6 $\times$ 10^-27 kg · m/s