Question

11. A certain radioactive element under
disintegration for an interval of time equal to its
mean life,
(1) What fraction of element remains ?
(b) What fraction has disintegrated ?
Ans. 0.3678, 0.6321)
bon​

Answer 1

Explanation:

What fraction of element remains ?

(b) What fraction has disintegrated ?

Ans. 0.3678, 0.6321)

bon