A wooden box excavated from Indus valley had an activity of 1.18 \times 10^{13} disintegration per minute per g of carbon. What is the approximate age of this civilisation?

COMEDK Exam 2013 Solved Paper

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A wooden box excavated from Indus valley had an activity of 1.18×1013 disintegration per minute per g of carbon. What is the approximate age of this civilisation?

4000 years
5700 years
8100 years
6000 years

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