Πώς να υπολογίσετε το Radioactive Decay

Τι είναι το Radioactive Decay;

Radioactive decay is the spontaneous transformation of unstable atomic nuclei over time. The half-life is the time for half the atoms to decay; after n half-lives, N₀/2ⁿ atoms remain.

Τύπος

N(t)

Remaining nuclei at time t

N₀

Initial number of nuclei

λ

Decay constant (s⁻¹)

t

Time elapsed (s)

t½

Half-life (s or years)

Οδηγός βήμα προς βήμα

1. 1N(t) = N₀ × (½)^(t/t½)
2. 2Decay constant λ = ln(2)/t½
3. 3After 1 half-life: 50% remains; 2: 25%; 3: 12.5%
4. 4Used in carbon dating, nuclear medicine, and waste management

Worked Examples

Frequently Asked Questions