Question

3p An artifact has C-14 ( half life of carbon - 14 is 5,700 years) content that is 50% of that found in living organisms. what is the approximate age of object?
a 11,000 years
b 17,000 years
c 23, 000 years
d 5,700 years

Answer 1

answer : d) 5,700 years

half life = 5700 years

100 -----1 half life---------------> 50 -----2half life---------------> 25 -----3 half life--------------> 12.5  

here n = 1 only one half life to dissociate 50%

formula : t = n t 1/2

               t   = 1 x 5700

              t = 5700 years

age of object = 5700 years