Edexcel IGCSE Physics: Double Science 复习笔记：7.3.2 Nuclear Fission
Edexcel IGCSE Physics: Double Science 复习笔记：7.3.2 Nuclear Fission Nuclear Fission Nuclear fission is defined as: The splitting of a large, unstable nucleus into two smaller nuclei...
Edexcel IGCSE Physics: Double Science 复习笔记：7.3.1 Nuclear Energy
Edexcel IGCSE Physics: Double Science 复习笔记：7.3.1 Nuclear Energy Nuclear Energy The nucleus of the atom contains a huge amount of energy – roughly one million times greater than the amou...
2023年香港AP考点新增考位，赶快报名！
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Edexcel A Level Maths: Statistics:复习笔记4.2.1 The Binomial Distribution
Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distribution The discrete random variable follows a binomial distribution if i...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.5 Dangers of Radiation
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.5 Dangers of Radiation Dangers of Radiation Ionising radiation can damage human cells and tissues If the atoms that make up a DNA strand a...
Edexcel IGCSE Physics: Double Science 复习笔记：7.2.4 Contamination & Irradiation
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Edexcel IGCSE Physics: Double Science 复习笔记：7.2.3 Uses of Radioactivity
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Edexcel IGCSE Physics: Double Science 复习笔记：7.2.2 Half-Life
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
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
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
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 A Level Maths: Statistics:复习笔记4.1.1 Discrete Probability Distributions
Discrete Random Variables What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not known unti...
