If the half life of a radioactive sample is 10 hours, its mean life is Options: A . &nbsp14.4 hours B . &nbsp7.2 hours C . &nbsp20 hours D . &nbsp6.93 hours

Answer: Option A : A Mean life = H a l f l i f e 0.6931 = 10 0.6931 = 14.4 h o u r s

If the half life of a radioactive sample is 10 hours, its mean life is

Question

If the half life of a radioactive sample is 10 hours, its mean life is

Options:

A . 14.4 hours

B . 7.2 hours

C . 20 hours

D . 6.93 hours

Answer: Option A
:
A
Mean life

= \frac{H a l f l i f e}{0.6931} = \frac{10}{0.6931} = 14.4 h o u r s

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