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Half-Life

t_{1/2} = \frac{ln 2}{λ} = \frac{0.693}{λ}

The time required for half of the radioactive nuclei to decay.

Variables

t_{1/2}

Half-life

s

\lambda

Decay constant

s⁻¹

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lambda

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Related formulas

N(t)Radioactive Decay LawNuclear Physics AActivityNuclear Physics

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half-life decay nuclear

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