

MCQOPTIONS
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1. |
The radioactivity due to \[{{C}^{14}}\] isotope (half-life 6000 years) of a sample of wood from an ancient tomb was found to be nearly half that of fresh wood, the tomb is therefore about [NCERT 1980, 81; MP PET 1989] |
A. | 3000 years old |
B. | 6000 years old |
C. | 9000 years old |
D. | 1200 years old |
Answer» C. 9000 years old | |