1.

The activity of carbon-14 in a piece of an ancient wood is only 12.5%. If the half-life period of carbon-14 is 5760 years, the age of the piece of wood will be \[(\log \,2=0.3010)\] [MP PMT 1999]

A. \[17.281\times {{10}^{2}}\] years
B. \[172.81\times {{10}^{2}}\] years
C. \[1.7281\times {{10}^{2}}\] years
D. \[1728.1\times {{10}^{2}}\] years
Answer» C. \[1.7281\times {{10}^{2}}\] years


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