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The half-life of radium (226) is 1620 years. The time taken to convert 10 grams of radium to 1.25 grams isA. 810 yearsB. 1620 yearsC. 3240 yearsD. 4860 years |
Answer» Correct Answer - D `t = (2.303 xx t_(1//2))/(0.693) "log" (N_(0))/(N)` |
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