The count rate of a radioactive material is 800 count/min. If the half-life of the material is 4 days, what would the count rate be in 16 days later
a
200 count / min
b
100 count / min
c
50 count / min
d
25 count / min
Explanation
Correct Option
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DominicAfam
1 year ago
No=800
N=?😭
t1/2=4
T=16
n=T/(t1/2)
n=16/4
n=4
N=No/(2^n)
N=800/2⁴
N=800/16
N=50😂
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