Questions
80 kg of a radioactive material reduces to 10 kg in 1h. The decay constant of the material is
a
5.80×10-4 S-1
b
1.16×10-3 S-1
c
2.32×10-3 S-1
d
4.64×10-3 S-1
detailed solution
Correct option is A
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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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