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Edexcel A Level Physics:复习笔记11.10 Equations for Nuclear Physics
Activity & The Decay Constant Since radioactive decay is spontaneous and random, it is useful to consider the average number of nuclei which are expected to decay per unit time This is known as...
Edexcel A Level Physics:复习笔记11.9 The Random Nature of Nuclear Decay
The Random Nature of Nuclear Decay Radioactive decay is defined as: The spontaneous disintegration of a nucleus to form a more stable nucleus, resulting in the emission of an alpha, beta or gamma p...
Edexcel A Level Physics:复习笔记11.8 Core Practical 15: Investigating Gamma Radiation Absorption
Core Practical 15: Investigating Gamma Radiation Absorption Aim of the Experiment To investigate the absorption of gamma rays by different thicknesses of lead Variables: Independent variable = Thic...
Edexcel A Level Physics:复习笔记11.7 Nuclear Decay Equations
Nuclear Decay Equations Alpha Decay An alpha particle consists of 2 protons and 2 neutrons (It is emitted from large unstable nuclei) When an alpha particle is emitted from a nucleus: The nuc...
Edexcel A Level Physics:复习笔记11.6 Alpha, Beta & Gamma Radiation
Alpha, Beta & Gamma Particles Some elements have nuclei that are unstable This tends to be when the number of nucleons does not balance In order to become more stable, they emit particle...
Edexcel A Level Physics:复习笔记11.5 Background Radiation
Background Radiation Radiation is a natural phenomenon, with radioactive elements having always existed on Earth and in outer space However, human activity has added to the amount of radiation that...
Edexcel A Level Physics:复习笔记11.4 Nuclear Fusion
Nuclear Fusion Fusion is defined as: Small nuclides that combine together to make larger nuclei, releasing energy Low mass nuclei (such as hydrogen and helium) can undergo fusion and release energy...
Edexcel A Level Physics:复习笔记11.3 Binding Energy per Nucleon Graph
Binding Energy per Nucleon Graph When comparing the stability of different nuclei, it is useful to look at the binding energy per nucleon The binding energy per nucleon is defined as: The binding e...
