JEE Main Physics · Atoms
Shortest and Longest Wavelengths
Shortest and Longest Wavelengths (Atoms) was asked 3 times in 3 JEE Main shifts, 2021–2025, out of the 42 shifts Lumi analysed. 1 of the 3 had a numerical answer.
- Times asked
- 3
- in 3 shifts
- Years
- 2021–2025
- Usual format
- Single correct
- Calculation
- Pattern
- Comes in cycles
- repeats across shifts
How it is asked
- Ratio of longest wavelengths of two spectral series
- Ratio of series limit wavelengths
Difficulty
Easy 2Medium 1Hard 0
Where it sits
Chapter: Atoms. Topic: Bohr's Atomic Model, 25 questions over 17 ideas.
Other repeat ideas in this topic
Every time it came
All 3 questions
Newest first, each with its options and official answer.
- 7 Apr 2025, Shift 1 · Q43For a hydrogen atom, the ratio of the largest wavelength of Lyman series to that of the Balmer series isEasySingle correct
- 6 Apr 2024, Shift 2 · Q48The longest wavelength associated with Paschen series is : (Given SI unit)EasySingle correct
- 3 Aug 2021, Shift 2 · Q23The ratio of shortest wavelength to the largest wavelength in Brackett series of atomic spectra for hydrogen atom is , where the…MediumNumerical value