Although electrons do not normally have precise positions, you can cause an electron to have a (fairly) precise position by
A) measuring its momentum at an earlier time.
B) measuring its position.
C) measuring its wavelength.
D) measuring both its position and velocity at an earlier time.
E) measuring its velocity.

Question

Quizplus · Accepted Answer

Measuring an electron's position collapses its wave function, giving it a more precise position according to the principles of quantum mechanics.

Although Electrons Do Not Normally Have Precise Positions, You Can