NEET Physics Nuclei Questions Solved

An archaeologist analyses the wood in a prehistoric structure and finds that C14(Half life = 5700 years) to C12 is only one- fourth of that found in the cells buried plants. The age of the wood is about 
(a) 5700 years               (b) 2850 years
(c) 11,400 years            (d) 22,800 years

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