Q32.The radius of the second Bohr orbit, in terms of the Bohr radius, a0, in Li2+ is: (1) 2a0 (2) 4a0 3 9 (3) 4a0 (4) 2a0 3 9
What This Question Tests
This question requires direct application of Bohr's formula for the radius of an orbit in a hydrogen-like species, using the principal quantum number and atomic number.
Concepts Tested
Formulas Used
rn = a0 * (n^2 / Z)
📚 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?
12.6 — (A) Using The Bohr’S Model Calculate The Speed Of The Electron In A
Physics Class 12 · Chapter 12
12.6 (a) Using the Bohr’s model calculate the speed of the electron in a hydrogen atom in the n = 1, 2, and 3 levels. (b) Calculate the orbital period in each of these levels.
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
- Atomic Structure
- Topic
- Bohr's Model
- Year
- 2020
- Shift
- 08 Jan Shift 2
- Q Number
- Q32
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 2: Structure of Atom
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