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the half life of substance is 30 minutes. What is the time difference to decay between 40% and 85% of the sample ?

the half life of substance is 30 minutes. What is the time difference to decay between 40% and 85% of the sample ? 

Grade:12

1 Answers

Arun
25750 Points
6 years ago
Dear student
 
decay           40% - 85%
Remaining  60% - 15%
 
60% -----> 30%------> 15%
 
t = 2* t1/2 = 60 minutes
 
Regards
Arun (askIITians forum expert)

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