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Akhil K Grade: 10
        Is it correct to define mean life(average life) the time at which no of particles will reduce to 1/e of their initial values

No/e = No e^(-lambda*t)
-1= - lambda *t
t(mean) = 1/ lambda

or the sum of life of all the particles present divided by total no of particles
derivation using intergration..

which is the correct answer?(cbse 2010)
7 years ago

Answers : (1)

Ashish ram
31 Points
										

no we cant define mean life in such a wa.The definition that You gave is the definition of Decay constant. If u find my answer useful the please approve the answer.

6 years ago
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