Modern Physics> The half life of a radioactive material i...

The half life of a radioactive material is 12.7 hours.What fraction of the original material would become inactive in 63.5 hours?

Ebin Sunny Varghese , 9 Years ago

Grade 12

1 Answers

Himanshu

Last Activity: 9 Years ago

half life of the reactions is 12.7 hours.

given time:63.5 hours

no of half lives: 63.5/12.7=5

after n halves life amount left is (1/2)^n

hence in given question amount left agter 63.5 hours is (1/2)^5:1/32

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Modern Physics> The half life of a radioactive material i...

The half life of a radioactive material is 12.7 hours.What fraction of the original material would become inactive in 63.5 hours?

Ebin Sunny Varghese , 9 Years ago

Himanshu

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