A radioactive nucleus decays by two different processes
PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics
Problem
A radioactive nucleus decays by two different processes. The half life for the first process is 10 s and that for the second is 100 s. The effective half life of the nucleus is close to:
(1) 9 sec.
(2) 6 sec.
(3) 55 sec.
(4) 12 sec.