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A sample contains two radioactive substa...

A sample contains two radioactive substances A and B in the ratio of `4 : 1` . If their half lives are 24 and 16 hours respectively , then after two days what will be the ratio of A and B?

Text Solution

Verified by Experts

The correct Answer is:
8

`(n_(A))/(n_(B)) = (1)/(1//8) = 8`
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Knowledge Check

  • A sample of radioactive substance decays simultaneously by two processes A and B with half lives 1/2h and 1/4 h respectively. For the first half hour it decays with process A, next one hour with process B, and for further half an hour with both A and B If originally, there are N_0 nuclei, then the Number nuclei after 2h of such decay

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