How long would you likely have to wait to watch any sample of radioactive atoms completely decay?

Q:How long would you likely have to wait to watch any sample of radioactive atoms completely decay?
Ans: The phenomenon of radioactivity follows the exponential law:
       
                                N(t)=Noe-t/Ƭ


And also radioactive atoms decay according to their half life  and they become half and half as their half life passes. Some particles may remain or transferred into energy.
Thus, it would take infinite time to decay completely.

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1 comment:

  1. Plzz write the exponential law a clearly i dont understand the equation
    -Devlflowe HJ

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