What is Radioactive Decay?
Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as alpha particles, beta particles, or gamma rays.
Calculate Radioactive Decay Parameters
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Calculate the amount of radioactive material remaining after a given time
Calculate the activity of a radioactive sample
Calculate time needed for decay to a specific amount
Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting radiation, such as alpha particles, beta particles, or gamma rays.
Common types of radioactive decay:
The exponential decay law states:
N(t) = N₀e^(-λt)
where λ is the decay constant
Activity measures the rate of decay:
Radioactive decay is used in:
N(t) = N₀e^(-λt)
A = λN
t₁/₂ = ln(2)/λ