Half life of radioactive substance 
is two time that of 
. Initially number of nuclei of 
and 
are 
and 
respectively. After three half lives of 
number of nuclei of both are equal. Then the ratio 
is -
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(8)
We know that, the amount remaining after 
half lives can be calculated as:
Remaining amount of 
Remaining amount of 
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