Now playing · 03 Nuclear
Effective half-life
T_e = 4.813 h
1
T
e
=
1
T
p
+
1
T
b
,
T
e
=
T
p
T
b
T
p
+
T
b
\frac{1}{T_e}=\frac{1}{T_p}+\frac{1}{T_b},\quad T_e=\frac{T_p T_b}{T_p+T_b}
T
e
1
=
T
p
1
+
T
b
1
,
T
e
=
T
p
+
T
b
T
p
T
b
Combine physical decay and biological clearance.
Laser