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An electron confined in a one-dimensional box is observed, at different times, to have energies of...

An electron confined in a one-dimensional box is observed, at different times, to have energies of 32 eV , 72 eV , and 128 eV .

What is the length of the box? Hint: Assume that the quantum numbers of these energy levels are less than 10.

Answer should be in nm

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