If the decay constant of a radioactive substance is 0.231s-\(^1\), the half-life is?
A
3.00 s
B
0.12 s
C
0.33 s
D
1.50 s
Verified Correct Answer: A.
Physical Principles & Numerical Solution
Half-life, T (1)/2 = (0.693)/∆ = (0.693)/ 0.231 = 3.0sec
Source: WAEC / JAMB / NECO Classroom Archive (Record #14265)