The number of degenerate states in the third excited state for a particle in a three-dimensional box with L₁= L₂ = L₃ is

Name: The number of degenerate states in the third excited state for a particle in a three-dimensional box with L 1 = L 2 = L 3 is
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The third excited state has n₁ + n₂ + n₃ = 6. For L₁= L₂ = L₃, there are three degenerate states with (n₁, n₂, n₃) = (2, 2, 2), (3, 1, 2), and (3, 2, 1).

The Number of Degenerate States in the Third Excited State