Question
Question: The half life period and the mean life period of a radioactive element are denoted respectively byT<...
The half life period and the mean life period of a radioactive element are denoted respectively byTh and Tm , then-
A
Th = Tm
B
Th> Tm
C
Th< Tm
D
Th³ Tm
Answer
Th< Tm
Explanation
Solution
T = λ0.693 ̃ t = λ1