FE Physics
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Dutch version
Natuurkunde kernfysica v4.xls  
  Radioactivity          
    Radioactive decay       N (t) = N (0) e(-λt)
N (t) [-] =
N (0) [-] =
λ [s-1] =
t [s] =
    Radioactive decay       A (t) = A (0) e(-λt)
A (t) [s-1] =
A (0) [s-1] =
λ [s-1] =
t [s] =
    Radioactive decay       N (t) = N (0) (1/2)(1/τ)
N (t) [-] =
    N (0) [-] =    
    τ [s] =    
    Radioactive decay       A (t) = A (0) (1/2)(1/τ)
A (t) [s-1] =
    A (0) [s-1] =    
τ [s] =

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