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An archaeologist analyses the wood in a phehistoric structure and finds that `C^14` (Half-life `= 5700` years) to `C^12` only one-fourth of that found in the cells buried plants. The age of the wood is aboutA. 5700 yrB. 2850 yrC. 11400 yrD. 22800 yr |
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Answer» Correct Answer - C `(N_(0))/(N)=1/4=((1)/(2))^(t//5700)` `therefore" "((1)/(2))^(2)=((1)/(2))^(t//5700)` `therefore" "(t)/(5700)=2` `therefore` The age of the wood, t = 11400 yr |
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