Author Topic: what is the half-life of this material?  (Read 918 times)

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Offline community

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what is the half-life of this material?
« on: March 10, 2013, 04:30:53 PM »
If the fraction of the atoms of a radioactive material left after 120years is 1/64, what is the half-life of the material?



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what is the half-life of this material?
« on: March 10, 2013, 04:30:53 PM »

Offline sir confidence

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Re: what is the half-life of this material?
« Reply #1 on: March 10, 2013, 10:42:44 PM »
The half life is 120 yrs

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Re: what is the half-life of this material?
« Reply #2 on: March 19, 2013, 08:29:20 PM »
Thanks for the responds, please how did you get your answer?

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Re: what is the half-life of this material?
« Reply #2 on: March 19, 2013, 08:29:20 PM »

 

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