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  3. Chemistry
  4. The half life of a radioactive element is 40 days. Calculate the average life:

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Q. The half life of a radioactive element is $40$ days. Calculate the average life:

JIPMERJIPMER 2005

Solution:

We know
Average life $( T )=1.44 \times$ half life $\left(t_{1 / 2}\right)$
Hence $T=1.44 \times 40$
or $T=57.6$ days
So, average life of that radioactive element is $57.6$ days.