Solution:
K = =
(a-x) = 0.02mg
(a-x)100 = 0.02 100 =2mg
The half life of C-14 is 5600 years. A sample of freshly cut wood from a tree contains 10 mg of C-14. The amount left in the sample after 50000 years is (a-x) x 100 . The value of is
K = =
(a-x) = 0.02mg
(a-x)100 = 0.02 100 =2mg