Page 201 - Radiation Safety
P. 201
No. Of T 1/2 Fraction of Activity Left
A(t)/A 0
0 1
1 1/2 1
2 1/2 2
3
3 1/2 3 2 = 2x2x2 = 8
n 1/2 n
n
A(t) = A /2 ; n = t/T 1/2 ; n = no. of half-lives
0
37
