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  • The half - life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be:Option: 1 <img alt

The half - life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be:

Option: 1

\frac{1}{2}


Option: 2

\frac{1}{2\sqrt{2}}


Option: 3

\frac{2}{3}

 


Option: 4

\frac{2}{3\sqrt{2}}


Answers (1)

best_answer

T_{\frac{1}{2}}=100hours

\frac{N_{t}}{N_{o}}=2^{-t/\frac{T}{\frac{1}{2}}}=2^{-150/100}

\frac{N_{t}}{N_{o}}=2^{-3/2}=\frac{1}{2\sqrt{2}}

 

Posted by

himanshu.meshram

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