If the decay constant of a radioactive substance is 0.231s-\(^1\), the half-life is?
-
3.00 s
- 0.12 s
- 0.33 s
- 1.50 s
The correct answer is: A
Explanation
Half-life, T (1)/2 = (0.693)/∆ = (0.693)/ 0.231 = 3.0sec
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