Questions
Number of nuclei of a radioactive substance at time t = 0 are 1000 and 900 at time t = 2s. Then number of nuclei at time t = 4s will be
detailed solution
Correct option is B
In 2 sec only 90% nuclei are left behind. Thus in next two second 90% of 900 or 810 nuclei will be left.Talk 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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