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Structure of Atom question

2010 · Shift 2 · Q3
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Structure of Atom question

2010 · Shift 2 · Q3

JEE AdvancedChemistryStructure of AtomMCQ+2 / −0.5
The hydrogen like species Li2+Li^{2+}Li2+ is in a spherically symmetric state S1 with one radial node. Upon absorbing light the ion undergoes transition to a state S2. The state S2 has one radial node and its energy is equal to the ground state energy of the hydrogen atom. The state S1 is :
  1. A
    1s
  2. B
    2s
  3. C
    2p
  4. D
    3s
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