Statement-1: A nucleus having energy

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.

  1. Statement- 1 is incorrect, statement-2 is correct

  2. Statement-1 is correct, statement-2 is incorrect

  3. Statement-1 is correct, statement- 2 correct; statement- 2 is the correct explanation of statement-1

  4. Statement-1 is correct, statement-2 is correct; statement $-2$ is not the correct explanation of statement-1.

Correct Option: , 3

Solution:

$\mathrm{X} \rightarrow \mathrm{Y}+\beta$

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