IB DP Physics: SL复习笔记8.1.2 Sankey Diagrams
Sankey Diagrams Diagrams are used to represent energy transfers These are sometimes called Sankey diagrams The arrow in a Sankey diagram represents the transfer of energy: The end of the arrow poin...
IB DP Physics: SL复习笔记8.1.1 Specific Energy
Specific Energy The amount of energy that a fuel can provide for the amount of fuel used is an important consideration for the modern world In order to compare fuels by unit, either mass or volume ...
IB DP Physics: SL复习笔记7.3.7 The Standard Model of Particle Physics
The Higgs Boson The Higgs-boson was predicted in 1964 The prediction included an approximate mass for the particle, at 125 GeV c–2 This prediction came from the standard model, which required the p...
IB DP Physics: SL复习笔记7.3.6 Feynman Diagrams & Confinement
Feynman Diagrams Feynman diagrams are a clear way of representing particle interactions in terms of their incoming and outgoing particles and exchange particles Although there are many variations o...
IB DP Physics: SL复习笔记7.3.5 Fundamental Forces
Fundamental Forces The Strong Nuclear Force In the nucleus, there are electrostatic forces between the protons due to their electric charge and gravitational forces due to their mass Comparatively,...
牛津和剑桥数学专业对比分析，如何选择？
QS最新数学专业排名中，剑桥全球排第3，牛津全球第6；留学路上的学生和家长们真的很难选择，因为大家几乎都知道，英国大学申请的时候，剑桥大学和牛津大学是不能同时申请的。 剑桥大学只有一个跟数学有关的专业，...
IB DP Physics: SL复习笔记7.3.4 Particle Conservation Laws
Particle Conservation Laws Charge Electric charge must be conserved during particle interactions This means charge must have the same value overall before and after the interaction Charge is found ...
IB DP Physics: SL复习笔记7.3.3 Hadrons, Baryons & Mesons
Hadrons, Baryons & Mesons Hadrons are the group of subatomic particles that are made up of quarks These may be either a: Baryon (3 quarks) Meson (quark and anti-quark pair) Hadrons may be eithe...
IB DP Physics: SL复习笔记7.3.2 Quarks & Leptons
Quarks & Leptons Quarks Quarks are fundamental particles that make up other subatomic particles such as protons and neutrons Protons and neutrons are in a category of particles called hadrons H...
IB DP Physics: SL复习笔记7.3.1 Discovery of the Nucleus
The Rutherford-Geiger-Marsden Experiment Evidence for the structure of the atom was discovered by Ernest Rutherford in the beginning of the 20th century from the study of α-particle scattering The ...
IB DP Physics: SL复习笔记7.2.4 Binding Energy per Nucleon Curve
Binding Energy per Nucleon Curve In order to compare nuclear stability, it is more useful to look at the binding energy per nucleon The binding energy per nucleon is defined as: The binding energy ...
IB DP Physics: SL复习笔记7.2.3 Nuclear Fission & Fusion
Nuclear Fission & Fusion Nuclear Fusion Fusion is defined as: The joining of two small nuclei to produce a larger nucleus Low mass nuclei (such as hydrogen and helium) can undergo fusion and re...
