Question
Physics Question on Radioactivity
A radioactive nuclei X decays simultaneously to two nuclei Y and Z as:
t½ is 12 minutes while t'½ is 3 minutes. Find the time in which nuclei X decays 50%.
A
4.8 minutes
B
15 minutes
C
2.4 minutes
D
9 minutes
Answer
2.4 minutes
Explanation
Solution
The correct answer is 2.4 minutes