Q93 · CSIR-NET Chemistry, June 2014
Paper: CSIR-NET June 2014 · Subject: Physical Chemistry · Chapter: Quantum Chemistry · Topic: Quantum Chemistry – General · Marks: 2 · Difficulty: Medium
The degeneracy of an excited state of a particle in 3-dimensional cubic box with energy 3 times its ground state energy is
Answer
Answer: A ✓ checked by 4AB · confidence high
The source book printed no answer; this one was worked out and checked — see the explanation.
Explanation
3 × 3 = 9 = 1² + 2² + 2², realised by (1,2,2), (2,1,2), (2,2,1): degeneracy 3.
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