JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 9 April 2024, Shift 2, Physics Q33

Question 33 of 90 in this shift, Physics question 3 of 30, Section A.

A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of

2:1

. After disintegration they will move :

(1)in the same direction with same speed.
(2)in opposite directions with speed in the ratio of $1:2$ respectively.Official answer
(3)in opposite directions with speed in the ratio of $2:1$ respectively.
(4)in opposite directions with the same speed.

Official answer

Option 2

NTA final key.

Chapter: System of Particles and Rotational Motion
Topic: Collisions
Idea tested: Momentum Conservation

Same topic in other shifts

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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 42 of the 174 JEE Main shifts held from 2017 to 2026.