Q32.For any given series of spectral lines of atomic hydrogen, let Δ−v = −v max −−v min be the difference in maximum and minimum wave number in cm−1 . The ratio Δ−v Lyman/Δ−v Balmar is (1) 5 : 4 (2) 27 : 5 (3) 4 : 1 (4) 9 : 4
What This Question Tests
This question tests the understanding of the Rydberg formula for hydrogen spectral lines and the ability to calculate maximum and minimum wave numbers for different series to determine their difference.
Concepts Tested
Formulas Used
ˉv = R_H * Z^2 * (1/n1^2 - 1/n2^2)
📚 NCERT Sections This Tests
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?
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?
📋 Question Details
- Chapter
- Atomic Structure
- Topic
- Hydrogen Spectrum
- Year
- 2019
- Shift
- 09 Apr Shift 1
- Q Number
- Q32
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 2: Structure of Atom
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