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WBJEE 2014 Chemistry Solved Paper

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Question : 50

Total: 60

A piece of wood from an archaeological sample has 5.0 counts min–1 per gram of C-14, while a fresh sample of woodhas a count of 15.0 min–1gram–1. If half life of C-14 is 5770 years, the age of the archaeological sample is

8500 years
9200 years
10000 years
11000 years

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