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cse • paper_2 • quantum_mechanicscse-1986-subject-05-001

Fermi energy — UPSC CSE 1986 Physics PYQ

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Find the Fermi energy in eV of electrons in sodium({}_{11}^{23}\text{C Na}), given its density to be 0.97\text{ g cm}^{-3}. Treat the electrons as a free gas.

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