Questions
The activity of a radioactive sample is 1.6 curie and its half-life is 5 days. Its activity after 20 days will be
a
0.4 curie
b
0.1 curie
c
0.16 curie
d
0.8 curie
detailed solution
Correct option is B
No of half lives = n=tt12=205=4 Activity, A=A02n=1.616=0.1 curieTalk to our academic expert!
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