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EasyPhysicsnucleus
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A nucleus at rest disintegrates into two smaller nuclei with their masses in the ratio of 2:1. After disintegration they will move:
A
In opposite directions with speed in the ratio of 1 : 2 respectively
B
In opposite directions with speed in the ratio of 2 : 1 respectively
C
In the same direction with same speed.
D
In opposite directions with the same speed.
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