How alpha beta particles emitted |NUCLEARPHYSICSJEEMain2022

JEE MAIN 2022

26-06-2022 S1

Question

How many alpha and beta particles are emitted when Uranium ${ }_{92} \mathrm{U}^{238}$ decays to lead $82 \mathrm{~Pb}^{206}$?

Select the correct option:

3 alpha particles and 5 beta particles

6 alpha particles and 4 beta particles

4 alpha particles and 5 beta particles

8 alpha particles and 6 beta particles

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✗ Incorrect. Try again or view the solution.

Solution

$$ { }_{92}^{238} \mathrm{U} \rightarrow 8_2^4 \mathrm{He} \rightarrow 6_{-1}^0 \mathrm{e}+{ }_{82}^{206} \mathrm{~Pb} $$ $8 \alpha$ particles and $6 \beta$ particles are emitted.

Question Tags

JEE Main

Physics

Easy

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