Questions
Three fourth of the active decays in a radioactive sample in 3/4 sec. The half-life of the sample is
a
12sec
b
1 sec
c
38sec
d
34sec
detailed solution
Correct option is C
34th active decay takes place in time t=2(T1/2) ⇒34=2(T1/2)⇒(T1/2)=38secTalk 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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