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[" 43.A sample of radioactive material d...

[" 43.A sample of radioactive material decays simultaneouslyby "],[" two processes A and B with half lives "1/2" and "1/4" hry "],[" respectively.For first half hour it decays with the process "],[" A,next one hour with the process "B" and for further half an "],[" hour with both "A" and "B" .If originally there were "N_(0)" nuclei,"],[" the number of nuclei after "2" hour of such decay is "],[N_(0)((1)/(2))^(x)" then find the value of "x" ."],[[" (a) "5," (b) "4," (c) "3," (d) "8]]

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