Questions
In half-life of a radioactive element is 3 hours, after 9 hours its activity becomes
a
1/9
b
12
c
1/6
d
1/8
detailed solution
Correct option is D
By using A=A012tT1/2⇒AA0=129/3=18Talk to our academic expert!
Similar Questions
The half life period of a radioactive element X is same as the mean life time of another radioactive element Y. Initially both of them have the same number of atoms. Then
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