JEE Main 9 Apr 2019 Paper 2 Solved Paper

Section: Physics

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Question : 15 of 90

Marks: +1, -0

A He‌+ ion is in its first excited state. Its ionization energy is:

[9 Apr 2019 Shift 2]

54.40 eV
6.04 eV
13.60 eV
48.36 eV

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