Atoms And Nuclei Question 360
Question: Half-lives for and emission of a radioactive material are 16 years and 48 years respectively. When material decays giving and emission simultaneously, time in which 3/4th material decays is
Options:
A) 29 years
B) 24 years
C) 64 years
D) 12 years
Show Answer
Answer:
Correct Answer: B
Solution:
- Effective half life is calculated as
years Time in which will decay is 2 half-lives = 24 years