Modern & Quantum Physics
Intermediate

Radioactive Decay

Number of nuclei remaining over time.

Formula

N=N0e−λtN = N_0 e^{-\lambda t}

Variables

N_0Initial nuclei
\lambdaDecay constant
tTime

Did You Know?

Radioactive decay is perfectly random for a single atom yet utterly predictable for trillions of them.

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