Edexcel IGCSE Physics: Double Science 复习笔记：7.3.4 Nuclear Fusion Nuclear Fusion Small nuclei can react to release energy in a process called nuclear fusion Nuclear fusion is defined as: ...
Edexcel IGCSE Physics: Double Science 复习笔记：7.3.3 Nuclear Reactors Chain Reactions Only one extra neutron is required to induce a uranium-235 nucleus to split by fission During the fissi...
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 Nuclear Energy The nucleus of the atom contains a huge amount of energy – roughly one million times greater than the amou...
此前，AP香港考评局已经开放2022-2023年度AP大考的考试报名，社会考生也可参与，因此AP考位十分紧张，使得不少考生担心考位问题。 在众多考生的呼吁下，香港考场宣布于10月31日开放新增考位，此前没有抢到考位的...
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 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 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 ...
