Question
Physics Question on Decay Rate
If N0 is the original mass of the substance of half-life t 1/2 = 4 years then the amount of substance left after 12 years is :
A
N0/16
B
N0/4
C
N0/8
D
N0/2
Answer
N0/8
Explanation
Solution
The correct answer is (C): N0/8