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10 questions from this quiz
Behaviour of large samples of nuclei
Time for half the nuclei to decay
Less than 5%
s−1\text{s}^{-1}s−1
By the same fraction each second
λ=ln2t1/2\lambda = \frac{\ln 2}{t_{1/2}}λ=t1/2ln2
3.1%
To minimize patient radiation exposure
6.25%
Faster decay rate
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