cse • paper_2 • atomic_molecular
[UPSC CSE 2009] Atomic Physics (Q96, 10M)
2^2S_{y_2} level in H atom is 1058 \text{ MHz} above the 2^2P_{y_2} level. (i) What is this known as ? (ii) Express the above frequency in \text{cm}^{-1}. (iii) Calculate the energy difference between the above two levels in eV.
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