A radioactive substance has a half life of 10 hours. Calculate the percentage of the sample that remains after 25 hours.

      

A radioactive substance has a half life of 10 hours. Calculate the percentage of the sample that remains after 25 hours.

  

Answers


Moraa
N=N0(½)25/10
But percentage of the sample remaining after 25hrs is given by; [N/N0]*100
Hence [{N0(½)25/10}/N0]*100 =17.68%
Moraa orina answered the question on April 12, 2018 at 07:29


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