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Saturday, 31 October

JEE Main 2024 · PhysicsMultiple choiceOtherMediumRecall

JEE Main 1 February 2024, Shift 2, Physics Q47

Question 47 of 90 in this shift, Physics question 17 of 30, Section A.

From the statements given below : (A) The angular momentum of an electron in nthn^{th} orbit is an integral multiple of ℏ\hbar. (B) Nuclear forces do not obey inverse square law. (C) Nuclear forces are spin dependent. (D) Nuclear forces are central and charge independent. (E) Stability of nucleus is inversely proportional to the value of packing fraction. Choose the correct answer from the options given below :
  1. (1)(A), (B), (C), (D) only
  2. (2)(A), (C), (D), (E) only
  3. (3)(B), (C), (D), (E) only
  4. (4)(A), (B), (C), (E) onlyOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Nuclei
Topic
Nuclear Binding Energy
Idea tested
Stability Curve Interpretation

Same idea in other shifts

Asked 2× in all
  1. 13 Apr 2023, Shift 2 · Q48Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : The binding energy per…MediumAssertion–reason

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.