JEE Main 2026 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 2 April 2026, Shift 2, Physics Q47

Question 47 of 75 in this shift, Physics question 22 of 25, Section B.

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

Official answer

NTA final key.

Chapter: Atoms
Topic: Bohr's Atomic Model
Idea tested: Magnetic Field and Dipole Moment

Same idea in other shifts

Asked 2× in all

4 Aug 2021, Shift 1 · Q5Consider a Hydrogen atom in its first excited state, what is the expression of magnetic field at the centre due to the circular motion of…HardSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.