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NEET 2020

NEET 2020 Physics question on Atoms and Nuclei

For which one of the following, Bohr model is not valid ?
  1. A.
    Singly ionised helium atom (He+\text{He}^+)
  2. B.
    Deuteron atom
  3. C.
    Singly ionised neon atom (Ne+\text{Ne}^+)
  4. D.
    Hydrogen atom
Show answer

Correct option: C

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