Question: A proton is in a box of width L. What must the width of the box be for the ground-level energy to be 5.0 MeV,

A proton is in a box of width L. What must the width of the box be for the ground-level energy to be 5.0 MeV, a typical value for the energy with which the particles in a nucleus are bound? Compare your result to the size of a nucleus--that is, on the order of 10-14 m.

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