Two radioactive sources A and B initially contain equal number of radioactive atoms. Source A has a half-life of 1 hour and source B has a half-life of 2 hours. At the end of 2 hours, the ratio of the rate of disintegration of A to that of B is :
Text Solution
Verified by ExpertsThe correct answer is:
C
No. of atoms of A after 2hrs. = N0/4
No of atoms of B after 2hrs. = N0/2
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