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The half life of radon is3.8 days .after how many days will (1/10)th of radon sample remain behinde

varadha krishna , 6 Years ago
Grade 12th pass
anser 1 Answers
Khimraj

Last Activity: 6 Years ago

ln2/\lambda = 3.8 days
N = No e-\lambdat
N = 0.1No = Noe-\lambdat
1/10 = e-\lambdat
e\lambdat = 10
\lambdat = ln10
t = ln10/\lambda = (ln10/ln2)*3.8 days.

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