Evolution temporelle d'une population de noyau radioactifs
Evolution temporelle d'une population de noyau radioactifs
Question 1
Question 4
137 137 0 CS Ba + e 55 56 -1
Question 2
Valeur de = 3.52x10E-3 Valeur de t1/2 = 197 secondes
N(t)= N0 / 2 => t1/2=ln(2) : L L= ln(2 )/ t1/2
Question 3
Equation de desinteraction radioactive dN(t)/dt = -L . N(t) derive proportionelle au noyaux restant le -L traduit une decroissance
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Transcript
Evolution temporelle d'une population de noyau radioactifs
Evolution temporelle d'une population de noyau radioactifs
Question 1
Question 4
137 137 0 CS Ba + e 55 56 -1
Question 2
Valeur de = 3.52x10E-3 Valeur de t1/2 = 197 secondes
N(t)= N0 / 2 => t1/2=ln(2) : L L= ln(2 )/ t1/2
Question 3
Equation de desinteraction radioactive dN(t)/dt = -L . N(t) derive proportionelle au noyaux restant le -L traduit une decroissance