1
Using Bohr's model, calculate the ratio of the magnetic fields generated due to the motion of the electrons in the 2nd and 4th orbits of hydrogen atom .
JEE Main 2026 (Online) 2nd April Evening Shift
Atoms
Previous year questions with solutions · 2025 – 2026
20Questions
18Papers covered
2.32% ↓22.8%Weightage in 2026
’25
’26
Year-wise statistics questions · papers · average per paper · weightage
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 11 | 19 | 0.58 | 2.32% ↓22.8% |
| 2025 | 9 | 12 | 0.75 | 3.00% |
2
An electron in the hydrogen atom initially in the fourth excited state makes a transition to nth energy state by emitting a photon of energy 2.86 eV. The integer value of n will be .
JEE Main 2025 (Online) 3rd April Evening Shift