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Nuclear Physics

Cambridge AS Level Physics (9702) · 7 topics

Atomic Structure

The Nuclear Model of the Atom Understanding the structure of the atom is fundamental to nuclear physics. Structure of the Atom An atom consists of: Nucleus: A…
Nuclear Fission and Fusion

Nuclear Fission and Fusion Nuclear fission and nuclear fusion are processes involving changes to the nucleus that release energy. Key Concept In both fission…
Radioactivity Detection

Background Radiation We are constantly exposed to low levels of radiation from natural and artificial sources. Background Radiation Low-level ionising radiation…
Nuclear Emissions

The Three Types of Nuclear Emission Unstable nuclei emit three main types of ionising radiation: alpha (α), beta (β), and gamma (γ). Key Characteristics The…
Radioactive Decay

What is Radioactive Decay? Radioactive Decay the spontaneous process by which unstable atomic nuclei lose energy and matter by emitting radiation, such as alpha…
Half-life

What is Half-life? Half-life The time taken for half the nuclei of that isotope in any sample to decay. Exam Tip Learn this exact definition: "the time taken…
Radiation Safety

Effects of Ionising Nuclear Radiation on Living Things Ionising nuclear radiation can have harmful effects on living things. The Three Main Effects You must…