Nuclear Physics And Radioactivity Question 334
Question: A nucleus of an element $ _{84}X^{202} $ emits an a-particle first, a b-particle next and then a gamma photon. The final nucleus formed has an atomic number [JIPMER 1999]
Options:
A) 200
B) 199
C) 83
D) 198
Show Answer
Answer:
Correct Answer: C
Solution:
$ {84}X^{202}{{\xrightarrow{\alpha -decay}}{82}}Y^{198}+ {2}He^{4} $ and $ {82}Y^{198}{{\xrightarrow{\beta -decay}}{83}}Z^{198}{+{-1}}{{\beta }^{0}} $
BETA
