Nuclear Physics And Radioactivity Question 303

Question: The radioactive decay of uranium into thorium is expressed by the equation $ _{92}^{238}U\to _{90}^{234}Th+X, $ where $ ‘X’ $ is [MP PMT 1996, 2002; AMU (Engg.) 2000]

Options:

A) An electron

B) A proton

C) A deuteron

D) An alpha particle

Show Answer

Answer:

Correct Answer: D

Solution:

$ _{92}U^{238}\to _{92}Th^{234},+ _{2}He^{4} $