Carbon 14 Dating A sample from a refuse deposit near the Str

Carbon 14 Dating A sample from a refuse deposit near the Strait of Magellan had 60% of the carbon 14 of a contemporary living sample. Estimate the age of the sample. Carbon 14 Dating A certain paint from the Lascaux caves of France contains 15% of the normal amount of carbon 14. Estimate the age of the paint.

Solution

Half life is not given so I am taking it \'h\'.

Fraction remaining, f = 0.5^(t/h) ,

t = h*log f /log 0.5

t = h*log 0.6 / log 0.5 = 0.737h