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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 | |