A Proton Is in a One-Dimensional Box of Length ~2 $\times$

question 90

Multiple Choice

A proton is in a one-dimensional box of length ~2 $\times$ 10^-15 m (i.e.,~ size of a nucleus) .What is the magnitude of the change in energy for a transition between the second and first excited states?

• A)50 MeV
• B)400 MeV
• C)150 MeV
• D)250 MeV
• E)200 MeV

---

Definitions:

Utility-maximizing

Refers to the economic principle where individuals or households attempt to get the highest level of satisfaction from their resources.

Income

The money received, especially on a regular basis, for work or through investments.

Marginal Utility

The increased enjoyment or value one gets from the consumption of an extra unit of a good or service.

Marginal Utility

The added satisfaction or usefulness obtained from using one more unit of a product or service.