Five Electrons Are in a Two-Dimensional Square Potential Energy Well

question 33

Multiple Choice

Five 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 where n_x and n_y are integers.The energy of the first excited state of the system is:

• A)13 (h²/8mL²)
• B)22 (h²/8mL²)
• C)24 (h²/8mL²)
• D)25 (h²/8mL²)
• E)27 (h²/8mL²)

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