JEE Mains · Physics · STD 12 - 13. Nuclei
How many alpha and beta particles are emitted when Uranium \({ }_{92} U ^{238}\) decays to lead \({ }_{82} Pb ^{206}\) ?
- A \(3\) alpha particles and \(5\) beta particles
- B \(6\) alpha particles and \(4\) beta particles
- C \(4\) alpha particles and \(5\) beta particles
- D \(8\) alpha particles and \(6\) beta particles
Answer & Solution
Correct Answer
(D) \(8\) alpha particles and \(6\) beta particles
Step-by-step Solution
Detailed explanation
\({ }_{92}^{238} U \rightarrow{ }_{2}^{4} He +6_{-1}^{0} e +{ }_{82}^{206} Pb\) \(8 \alpha\) particles and \(6 \beta\) particles are emitted.
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