Question:
Statement-1: A nucleus having energy $\mathrm{E}_{1}$ decays $\beta^{-}$emission to daughter nucleus having energy $\mathrm{E}_{2}$, but the $\beta^{-}$rays are emitted with a continuous energy spectrum having end point energy $\mathrm{E}_{1}-\mathrm{E}_{2}$. Statement-1: To conserve energy and momentum in $\beta$-decay at least three particles must take part in the transformation.
Correct Option: , 3
Solution:
$\mathrm{X} \rightarrow \mathrm{Y}+\beta$
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