A Particle Is Confined in a Three-Dimensional Box with L₁

Multiple Choice

A particle is confined in a three-dimensional box with L₁ = L₂ = 3L₃.The quantum numbers for the second excited state are

A) (1,1,2) and (1,2,1)
B) (1,2,1) and (2,1,1)
C) (2,2,1) and (2,1,2)
D) (1,2,2) and (2,1,2)
E) (2,2,1) and (1,2,2)