Question:

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 opposite directions with speed in the ratio of 1:2 respectively

(2) In opposite directions with speed in the ratio of 2:1 respectively

(3) In the same direction with same speed

(4) In opposite directions with the same speed

                                                         JEE-2024        

Solution:                
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 opposite directions with speed in the ratio of 1:2 respectively (2) In opposite directions with speed in the ratio of 2:1 respectively (3) In the same direction with same speed (4) In opposite directions with the same speed JEE-2024

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