NEET-XII-Physics

Previous Year Paper year:2020

divided into subjects -
  • #136
    For which one of the following, Bohr model is not
    valid ?
    (1) Hydrogen atom
    (2) Singly ionised helium atom (He+)
    (3) Deuteron atom
    (4) Singly ionised neon atom (Ne+)
    digAnsr:   4
    Ans : 4