The time taken for a radioactive element to reduce to 50% of its original mass is __________ years, if its half life period is 12 years.
A. 48
B. 12
C. 6
D. 24
Answer: B
The time taken for a radioactive element to reduce to 50% of its original mass is __________ years, if its half life period is 12 years.
A. 48
B. 12
C. 6
D. 24
Answer: B