Question

The radioactive sources A and B of half lives of
2 hr and 8 hr respectively, initially contain the same
number of radioactive atoms. At the end of 2 hours,
their rates of disintegration are in the ratio :
(B) 2:1
(C) 2:1
(D) 1:1
od
(A) 4:1​

Answer 1

Answer:

2:1

Explanation:

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