An Electron Is Sent Through a Slit Whose Width Is $\Delta$

Multiple Choice

An electron is sent through a slit whose width is $\Delta$ x = 0.040 cm.The uncertainty in the x component of the momentum of this electron is approximately

A) 1.3 $\times$ 10^-24 N · s
B) 2.6 $\times$ 10^-24 N · s
C) 1.3 $\times$ 10^-23 N · s
D) 2.6 $\times$ 10^-23 N · s
E) 3.9 $\times$ 10^-25 N · s