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During man life of a radioactive element, the fraction that disintegrates is..........1) e2) 1/e3) (e-1)/e4) e/(e-1)Pls explain........

vishwajit pureti , 13 Years ago
Grade 12
anser 1 Answers
aman gupta

Last Activity: 13 Years ago

initial no. of nucleus = N

mean life = 1/λ

after men life = Ne-λt (t=1/λ)

    =Ne-1

    =N/e

fraction left = (N-N/e)/N

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