Atoms · Atomic models
The smallest wavelength of Lyman series is 91 nm. The difference between the largest wavelengths of Paschen and Balmer series is nearly nm.
- (1)1875
- (2)1550
- (3)1217
- (4)1784
Video solution coming soon
We're animating every PYQ step by step. Subscribe to get them first.
See the full 22 Jan 2026, Shift 2 paper
More on Atomic models
- 21 Jan 2026, Shift 1 · Q13If an alpha particle with energy 7.7 MeV is bombarded on a thin gold foil, the closest distance from nucleus it can reach is m. (Atomic…
- 22 Jan 2026, Shift 1 · Q27.9 MeV α--particle scatters from a target material of atomic number 79. From the given data the estimated diameter of nuclei of the…
- 23 Jan 2026, Shift 1 · Q13In hydrogen atom spectrum, (R Rydberg's constant) [table] Choose the correct answer from the options given below:
- 4 Apr 2026, Shift 2 · Q18In Rutherford's alpha-particle scattering experiment, only a few alpha particles rebound back because (A) The size of gold nucleus is very…