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Saturday, 10 October

JEE Main 2025 · PhysicsMultiple choiceTwo statementsEasyConceptual

JEE Main 4 April 2025, Shift 2, Physics Q41

Question 41 of 75 in this shift, Physics question 16 of 25, Section A.

Given below are two statements : Statement (I) : The dimensions of Planck's constant and angular momentum are same. Statement (II) : In Bohr's model electron revolve around the nucleus only in those orbits for which angular momentum is integral multiple of Planck's constant. In the light of the above statements, choose the most appropriate answer from the options given below :
  1. (1)Both Statement I and Statement II are correct
  2. (2)Both Statement I and Statement II are incorrect
  3. (3)Statement I is correct but Statement II is incorrectOfficial answer
  4. (4)Statement I is incorrect but Statement II is correct

Official answer

Option 3

NTA final key.

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

Same idea in other shifts

Asked 2× in all
  1. 25 Jul 2022, Shift 1 · Q48The momentum of an electron revolving in nthn^{\mathrm{th}} orbit is given by : (Symbols have their usual meanings)EasySingle 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 42 of the 174 JEE Main shifts held from 2017 to 2026.