Q26.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 total energy required to ionize the Helium atom completely is close to JEE Main 2018 (15 Apr) JEE Main Previous Year Paper (1) 34 eV (2) 20 eV (3) 79 eV (4) 109 eV
What This Question Tests
This question involves calculating the ionization energies for a Helium atom and a singly ionized Helium atom using Bohr's model for hydrogenic species, and then summing them for complete ionization.
Concepts Tested
Formulas Used
E_n = -13.6 Z²/n² eV
📚 NCERT Sections This Tests
12.4 — The Ground State Energy Of Hydrogen Atom Is –13.6 Ev. What Are The
Physics Class 12 · Chapter 12
12.4 The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic and potential energies of the electron in this state?
12.5 — A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 · Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
12.3 — A Difference Of 2.3 Ev Separates Two Energy Levels In An Atom. What
Physics Class 12 · Chapter 12
12.3 A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom make a transition from the upper level to the lower level?
📋 Question Details
- Chapter
- Atoms
- Topic
- Bohr's model for hydrogenic atoms
- Year
- 2018
- Shift
- 15 Apr
- Q Number
- Q26
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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