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Change of State

Calculate the...

Question

Calculate the ratio of $\frac{N}{N_{0}}$ after an hour has passed for a radioactive material of half life $47.2$ seconds.

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Solution

$λ t = 2.303 {log}_{10} \frac{N_{0}}{N}$
$\frac{0.693}{47.2} \times \frac{60 \times 60}{2.303} = {log}_{10} \frac{N_{0}}{N}$

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