Find the half-life (in hours) of a radioactive substance that is reduced by 10 percent in 25 hours.
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A: (1) We have given Th=12.5 years Here Th= half life We know that NNo=12tTh NNo=122512.5=122=14 N=No/4…
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A: The relationship between half life and decay constant is λ=0.693/t1/2
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Q: A radioactive sample contains 1.55g of of an isotope with half a life of 3.8 days. How much of the…
A: Given data: Original amount of substance (N0) = 1.55 g Half life (T1/2) = 3.8 days Time (t) = 11.4…
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Q: What fraction of radioactive nucleus sample survive after two half-lives?
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Q: the first atomic explosion was denoted north of Alamogordo, New Mexico, on July 16, 1945. What…
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Q: The half-life of a radioactive isotope is 140 d. How many days would it take for the decay rate of a…
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Q: After 2.14 days, the activity of a sample of an unknown type radioactive material has decreased to…
A: Given,Time, t = 2.14 daysThe activity decreased is 82.2%The initial activity = R0The activity after…
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A: Option: A
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