An electron is contrained to be inside a one-dimensional box.If the length of the box is doubled,the minimum energy of the electron
A)decreases by a factor of four.
B)decreases by a factor of two.
C)does not change.
D)is zero,regardless of the the size of the box.

Question

Quizplus · Accepted Answer

The minimum energy of an electron in a one-dimensional box is inversely proportional to the square of the length of the box. Doubling the length decreases the energy by a factor of four.

An Electron Is Contrained to Be Inside a One-Dimensional Box