JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 4 April 2024, Shift 2, Physics Q48

Question 48 of 90 in this shift, Physics question 18 of 30, Section A.

According to Bohr's theory, the moment of momentum of an electron revolving in 4

^{th}

orbit of hydrogen atom is:

(1) $2\frac{h}{\pi}$ Official answer
(2) $\frac{h}{\pi}$
(3) $8\frac{h}{\pi}$
(4) $\frac{h}{2\pi}$

Official answer

Option 1

NTA final key.

Chapter: Atoms
Topic: Bohr's Atomic Model
Idea tested: Angular Momentum Quantization

Same idea in other shifts

Asked 9× in all

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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.