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JEE PHYSICS MCQ: NUCLEI

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Analyzing +4 | -1
A nucleus of uranium decays at rest into nuclei of thorium and helium. Then:
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Correct option: B
The helium nucleus has more kinetic energy than the thorium nucleus
Option B is correct. The helium nucleus has more kinetic energy than the thorium nucleus due to its smaller mass, given that momentum is conserved.

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