A proton and an electron are confined in a very small one-dimensional box.Which object has the lower minimum kinetic energy?
A)the proton
B)the electron
C)The minimum kinetic energy is the same for both particles.

Question

Quizplus · Accepted Answer

The minimum kinetic energy in a quantum box is inversely proportional to the mass of the particle. Since the proton is much more massive than the electron, it will have a lower minimum kinetic energy.

A Proton and an Electron Are Confined in a Very