Physics

Physics

Problem

A straight line obtained from an

\ln N

versus

t

graph has slope

-0.005\,\text{min}^{-1}

and y-intercept

12.5

. Estimate the initial number of undecayed nuclei

N_0

in the sample. a)

8.6\times10^{5}

b)

1.6\times10^{5}

c)

2.7\times10^{5}

d)

12.5

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