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Alpha decay
Concepts tested here
- Momentum conservation in decay
All Questions
2015 AIPMT-II 1 question
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A nucleus of uranium decays at rest into nuclei of thorium and helium. Then:By conservation of linear momentum: $p_{He} = p_{Th}$ in magnitude.
$K = \frac{p^2}{2m} \propto \frac{1}{m}$, and $m_{He} K_{Th}$.