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The half-life of a radionuclide is 69.3 ...

The half-life of a radionuclide is 69.3 minutes. What is its average life (in minutes)

A

100

B

`10^(-2)`

C

`(69.3)^(-1)`

D

`0.693 xx 69.3`

Text Solution

Verified by Experts

The correct Answer is:
A

Average life
`(tau) 1.44 t_(1//2) = 1.44 xx 69.3 = 99.7 ~~ 100` minutes
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