Edexcel IGCSE Physics: Double Science 复习笔记：7.2.4 Contamination & Irradiation Contamination & Irradiation Contamination Contamination is defined as: The unwanted presence ...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.3 Uses of Radioactivity Uses of Radioactivity Radiation is used in a number of different ways: Medical procedures including diagnosis and ...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.2 Half-Life Half-Life It is impossible to know when a particular unstable nucleus will decay But the rate at which the activity of a sampl...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.1 Activity & Decay Activity and Decay Objects containing radioactive nuclei are called sources of radiation Sources of radiation decay...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.6 Detecting Radiation Detecting Radiation It is important to regulate the exposure of humans to radiation The amount of radiation received...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.5 Decay Equations Decay Equations Radioactive decay events can be shown using a decay equation A decay equation is similar to a che...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.4 Core Practical: Investigating Radiation Core Practical 13: Investigating Radiation Aim of the Experiment The aim of this experiment is ...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.3 Types of Radiation Types of Radiation Unstable Nuclei and Radiation Some atomic nuclei are unstable This is because of an imbalance in t...
Edexcel IGCSE Physics: Double Science 复习笔记：7.1.2 Isotopes Isotopes Although the number of protons in a particular element is always the same, the number of neutrons can be different Iso...
