If the decay constant of a radioactive substance is 0.231s1, the half-life is?
-
A.
3.00 s -
B.
0.12 s -
C.
0.33 s -
D.
1.50 s
Correct Answer: Option A
Explanation
Half-life, T (1)/2 = (0.693)/∆ = (0.693)/ 0.231 = 3.0sec
Half-life, T (1)/2 = (0.693)/∆ = (0.693)/ 0.231 = 3.0sec