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The half life of a radioactive substance is 20 minutes. The approximate time interval (t t 2 1 - ) between the time t2 when 2/ 3 of it has decayed and time t1 and 1/ 3 of it had decayed is

The half life of a radioactive substance is 20 minutes. The approximate time interval (t t 2 1 - ) between
the time t2 when 2/
3 of it has decayed and time t1 and 1/
3 of it had decayed is

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
2 years ago
576-2393_w.PNG
Vikas TU
14149 Points
2 years ago
Dear student 
Hope your doubt gets cleared 
Please refer the solved examples of the below link 

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