Electrons Are in a Two-Dimensional Square Potential Energy Well with Sides

question 20

Multiple Choice

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.At most the number of electrons that can have energy 8(h²/8mL²) is:

• A)1
• B)2
• C)3
• D)4
• E)any number

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