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To determine the age of stone it was analysed for the nuclei of 'B' & 'D' and were found to 10^(18)and3xx10^(18) respectively. Assuming that all the 'D' was produced by the disintegration of 'A' only, the age of the stone is [(Given : ln2=0.3,ln3=0.45] |
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Answer» 6930 days |
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