Suppose the $2^{nd}$ energy level of a particle in a cubical box is given by $E = 6E_{g}$ , where $E_{g}$ is the ground state energy. Then the immediate $3^{rd}$ energy level will be $\underline{\hspace{3cm}}$ fold degenerate.

Answer:
The correct answer is 3.
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Keywords: IIT Bombay, Quantum Mechanics-I, Prof. P. Ramadevi, Chandigarh University, NPTEL

Assignment-1, Numerical-5