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JIPMER 2011
Exam
JIPMER
Year
2011
Subject
Physics
Chapter
Nuclear Physics

JIPMER 2011 · Physics · Nuclear Physics

The ionization energy of Li^ 2+ is equal to

The ionization energy of Li2+\mathrm{Li}^{2+} is equal to

Options

  1. A9hcR
  2. B6hcR
  3. C2hcR2 h c R
  4. DhcRh c R

Correct answer

A. 9hcR

Step-by-step solution

Ionization energy =Rch⁡Z2=\operatorname{Rch} Z^2 Z=3Z=3 for Li2+\mathrm{Li}^{2+} ∴\therefore Ionization energy =(3)2Rch=(3)^2 R c h =9Rch=9 R c h
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