Q27.Energy required for the electron excitation in Li++ from the first to the third Bohr orbit is : (1) 36.3eV (2) 108.8eV (3) 122.4eV (4) 12.1eV
What This Question Tests
This question is a straightforward application of Bohr's model for calculating the energy levels and excitation energy for a hydrogen-like atom.
Concepts Tested
Formulas Used
E_n = -13.6 ZĀ²/nĀ² eV
š NCERT Sections This Tests
12.5 ā A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 Ā· 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.
12.7 ā The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 Ā· Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3Ć10ā11 m. What are the radii of the n = 2 and n =3 orbits?
12.4 ā The Ground State Energy Of Hydrogen Atom Is ā13.6 Ev. What Are The
Physics Class 12 Ā· Chapter 12
12.4 The ground state energy of hydrogen atom is ā13.6 eV. What are the kinetic and potential energies of the electron in this state?
š Question Details
- Chapter
- Atoms
- Topic
- Bohr's Model of Hydrogen-like Atoms
- Year
- 2011
- Shift
- Unknown
- Q Number
- Q27
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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