The half-life of a radioactive substance is 2 seconds. Calculate the decay constant
-
A.
0.035s-1 -
B.
0.151s-1 -
C.
0.347s-1 -
D.
0.576s-1 -
E.
1.386s-1
Correct Answer: Option C
Explanation
(lambda = frac{0.693}{T_{frac{1}{2}}} = frac{0.693}{2})
= 0.347s-1