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: The [[unit]]s of exposure to '''ionising radiation''' are the [[Sievert]] which is 1 [[Joule]] of [[energy]] from '''ionising radiation''' being [[Absorb (Physics)|absorbed]] by 1 [[kilogram]] of flesh.
In [[Nuclear Physics]] there are three types of '''ionising radiation''':
*[[Alpha Radiation]] - The [[emission]] of an [[Alpha Particle|Alphaalpha particle]] from the [[Atomic Nucleus|nucleus]] of an [[Unstable Isotope|unstable isotope]].*[[Beta Radiation]] - The [[emission]] of a [[Beta Particle|Betabeta particle]] from the [[Atomic Nucleus|nucleus]] of an [[Unstable Isotope|unstable isotope]].*[[Gamma Radiation]] - The [[emission]] of a [[Gamma Ray|Gammagamma ray]] from the [[Atomic Nucleus|nucleus]] of an [[Unstable Isotope|unstable isotope]].
===Ionising Radiation and Cancer===
: Exposure to '''ionising radiation''' is a [[Risk Factor|risk factor]] in [[cancer]].