Edexcel IGCSE Physics 復習筆記 8.1.1 Objects in Space
Edexcel IGCSE Physics 復習筆記 8.1.1 Objects in Space Planets, Stars & Galaxies The Universe is is a large collection of billions of?galaxies It? is also the name given to the entirety o...
Edexcel IGCSE Physics 復習筆記 7.3.5 The Conditions for Fusion
Edexcel IGCSE Physics 復習筆記 7.3.5 The Conditions for Fusion Fusion in Stars Stars are huge balls of (mostly)?hydrogen?gas In the centre of star, hydrogen atoms undergo?nuclear fusion?to f...
Edexcel IGCSE Physics 復習筆記 7.3.4 Nuclear Fusion
Edexcel IGCSE Physics 復習筆記 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: When two l...
Edexcel IGCSE Physics 復習筆記 7.3.3 Nuclear Reactors
Edexcel IGCSE Physics 復習筆記 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 fission, it produces?t...
Edexcel IGCSE Physics 復習筆記 7.3.2 Nuclear Fission
Edexcel IGCSE Physics 復習筆記 7.3.2 Nuclear Fission Nuclear Fission Nuclear fission is defined as: The splitting of a large, unstable nucleus into two smaller nuclei Isotopes ...
Edexcel IGCSE Physics 復習筆記 7.3.1 Nuclear Energy
Edexcel IGCSE Physics 復習筆記 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 amount of energy invo...
IB DP Maths: AI HL復習筆記5.7.1 Coupled Differential Equations
Solving Coupled Differential Equations How do I write a system of coupled differential equations in matrix form? How do I find the exact solution for a system of coupled differential equations? Wor...
Edexcel IGCSE Physics 復習筆記 7.2.5 Dangers of Radiation
Edexcel IGCSE Physics 復習筆記 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 are ionised then t...
Edexcel IGCSE Physics 復習筆記 7.2.4 Contamination & Irradiation
Edexcel IGCSE Physics 復習筆記 7.2.4 Contamination & Irradiation Contamination & Irradiation Contamination Contamination is defined as: The unwanted presence of materials cont...
