Nuclear Physics And Radioactivity Question 343
Question: A nucleus $ _{Z}^{A}X $ emits an a-particle. The resultant nucleus emits a $ {{\beta }^{+}} $ particle. The respective atomic and mass no. of the final nucleus will be [MP PET 2000]
Options:
A) Z ? 3, A ? 4
B) Z ? 1, A ? 4
C) Z ? 2, A ? 4
D) Z, A ? 2
Show Answer
Answer:
Correct Answer: A
Solution:
$ _{Z}^{A}X\to _{Z-2}^{A-4}Y+ _{2}^{4}He\to _{Z-3}^{A-4}Z+ _{1}^{0}B $