Atoms And Nuclei Question 304

Question: Energy required for the electron excitation in Li+ from the first to the third Bohr orbit is:

Options:

A) 36.3 eV

B) 108.8 eV

C) 122.4eV

D) 12.1 eV

Show Answer

Answer:

Correct Answer: B

Solution:

  • Energy of excitation, ΔE=13.6π2(1η11η2)eV
    ΔE=13.6(3)2(112132)=108.9eV


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