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Electrons are in a two-dimensional square potential energy well with sides of length L. The potential energy is infinite at the sides and zero inside. The single-particle energies are given by (h2 /8mL2 )(n2x + n2y ), where nx and ny are integers. At most the number of electrons that can have energy 8(h2 /8mL2 ) is:

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Electrons are in a two-dimensional square potential energy well with sides of length L. The potential energy is infinite at the sides and zero inside. The single-particle energies are given by (h2 /8mL2 )(n2x + n2y ), where nx and ny are integers. At most the number of electrons that can have energy 8(h2 /8mL2 ) is:






 
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