Atoms And Nuclei Question 359

Question: 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 of buried plants. The age of the wood is about

Options:

A) 5700 years

B) 2850 years

C) 11,400 years

D) 22,800 years

Show Answer

Answer:

Correct Answer: C

Solution:

  • C14C12=14=(12)t/5700
    t5700=2t=11400 years


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