Physics · 2018
JEE Main · 15 April 2018, Shift 1 · Q25
The energy required to remove the electron from a singly ionized Helium atom is 2.2 times the energy required to remove an electron from Helium atom.…
The energy required to remove the electron from a singly ionized Helium atom is $\displaystyle 2.2$ times the energy required to remove an electron from Helium atom. The total energy required to ionize the Helium atom completely is :
Official answer
(3)
$\displaystyle 79$ eV
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JEE Main 2018 Physics question, with the answer from NTA’s final answer key. Where our answers come from.