Nuclear Physics And Radioactivity Question 308
Question: In the uranium radioactive series, the initial nucleus is $ _{92}U^{238} $ and the final nucleus is $ _{82}Pb^{206} $ . When the uranium nucleus decays to lead, the number of $ \alpha - $ particles emitted will be [MP PMT 1999]
Options:
A) 1
B) 2
C) 4
D) 8
Show Answer
Answer:
Correct Answer: D
Solution:
$ {n_{\alpha }}=\frac{A-A’}{4}=\frac{238-206}{4}=8 $
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