The half life of a radioactive material is 12 days. Calcu...
The half life of a radioactive material is 12 days. Calculate the decay constant.
0.8663 day−1
0.04331 day−1
0.17325 day−1
0.05775 day−1
Correct answer is D
T1/2 = 12 days ;V=?
T1/2 = \frac{0.693}{γ}
⇒γ ⇒\frac{0.693}{t_{^1/_2}}
⇒γ =\frac{0.693}{12}
⇒γ= 0.05775 day^{-1}