Q30.Radius of a certain orbit of hydrogen atom is 8.48Ã … . If energy of electron in this orbit is E/x. then x = _____ (Given a0 = 0.529Ã … , E = energy of electron in ground state).
What This Question Tests
This question tests the understanding of Bohr's model, specifically the relationship between the radius of an orbit and its principal quantum number, and how energy depends on the principal quantum number.
Concepts Tested
Formulas Used
r_n = a₀n^2
E_n = E₁/n^2
📚 NCERT Sections This Tests
12.7 — The Radius Of The Innermost Electron Orbit Of A Hydrogen Atom Is
Physics Class 12 · Chapter 12
12.7 The radius of the innermost electron orbit of a hydrogen atom is 5.3×10–11 m. What are the radii of the n = 2 and n =3 orbits?
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.
📋 Question Details
- Chapter
- Atoms
- Topic
- Bohr's Model of Hydrogen Atom
- Year
- 2024
- Shift
- 06 Apr Shift 1
- Q Number
- Q30
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 12: Atoms
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