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Friday, 9 October

JEE Main 2022 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 29 June 2022, Shift 1, Physics Q57

Question 57 of 90 in this shift, Physics question 27 of 30, Section B.

d1\sqrt{d_1} and d2\sqrt{d_2} are the impact parameters corresponding to scattering angles 60∘60^\circ and 90∘90^\circ respectively, when an α\alpha particle is approaching a gold nucleus. For d1=x d2d_1 = x\,d_2, the value of xx will be ____________.

Official answer

3

NTA final key (2022 Session 1).

Chapter
Atoms
Topic
Coulomb's Law
Idea tested
Coulomb Force in Rutherford Scattering

Same idea in other shifts

Asked 2× in all
  1. 4 Apr 2026, Shift 2 · Q43In Rutherford's alpha-particle scattering experiment, only a few alpha particles rebound back because A. The size of gold nucleus is very…MediumOther

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.