Modern Physics> Atoms and nuclei...

During man life of a radioactive element, the fraction that disintegrates is..........

1) e

2) 1/e

3) (e-1)/e

4) e/(e-1)

Pls explain........

vishwajit pureti , 14 Years ago

Grade 12

1 Answers

aman gupta

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

ans 3

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Last Activity: 14 Years ago

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Modern Physics> Atoms and nuclei...

During man life of a radioactive element, the fraction that disintegrates is.......... 1) e 2) 1/e 3) (e-1)/e 4) e/(e-1) Pls explain........

vishwajit pureti , 14 Years ago

aman gupta

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