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JIPMER 2005
Exam
JIPMER
Year
2005
Subject
Chemistry
Chapter
Chemical Kinetics

JIPMER 2005 · Chemistry · Chemical Kinetics

The half life of a radioactive element is 40 days. Calculate the...

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

Options

  1. A5.76 days
  2. B57.6 days
  3. C646 days
  4. D4.56 days

Correct answer

B. 57.6 days

Step-by-step solution

We know Average life (T)=1.44×(T)=1.44 \times half life (t1/2)\left(t_{1/2}\right) Hence T=1.44×40T=1.44 \times 40 or T=57.6\quad T=57.6 days So, average life of that radioactive element is 57.6 days.
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