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For a radioactive element, tau = tau1//...

For a radioactive element, `tau `= _________ `tau1//2`

A

0.693

B

693

C

144

D

1.44

Text Solution

Verified by Experts

The correct Answer is:
D
`T_("mean") xx ln 2 = T_(1//2)`
`T_("mean") = T_(1//2) (1//l n2)`
=`1.44 T_(1//2)`
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