In a radioactive decay chain the| Physics | JEE Advance2018

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JEE Advanced 2018

Paper-2 2018

Multiple correct answers - Select all that apply

Question

In a radioactive decay chain, ${ }_{90}^{232} \mathrm{Th}$ nucleus decays to ${ }_{82}^{212} \mathrm{~Pb}$ nucleus. Let $N_\alpha$ and $N_\beta$ be the number of $\alpha$ and $\beta^{-}$particles, respectively, emitted in this decay process. Which of the following statements is (are) true?

Select ALL correct options:

A

$\mathrm{N}_\alpha=5$

B

$\mathrm{N}_\alpha=6$

C

$\mathrm{N}_\beta=2$

D

$\mathrm{N}_\beta=4$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

⚠ Partially correct. Some answers are missing.

Solution

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