Choose the correct statements:
A. Radioactive decay is simplest example of true 1st order reaction
B. It is customory to express decomposition rate of radioactive material in terms of half life
C. Radioactive decay constant of an element vary significantly over wide environment conditions
D. SI unit of radioactivity is curie (Ci)
E. β particles are actually electrons and ionizing power is much weaker than a particles
Choose the correct answer from the options given below:
1
(A), (B), (C), (D) and (E) Only
2
(A), (C), (D) and (E) Only
3
(A), (B) and (E) Only
4
(A), (B), (C) and (D) Only