During the life time of a radioactive element as time passes the number of its nuclei decrease and along with that_____
A. Activity and λ go on decreasing
B. Activity and λ go on increasing
C. Activity decrease but λ remains constant
D. Activity decrease but λ increases
Answer:C
During the life time of a radioactive element as time passes the number of its nuclei decrease and along with that_____
A. Activity and λ go on decreasing B. Activity and λ go on increasing C. Activity decrease but λ remains constant D. Activity decrease but λ increases