AQA A Level Maths: Pure复习笔记4.3.1 Arithmetic Sequences
Arithmetic Sequences What do I need to know about arithmetic sequences? In an arithmetic sequence, the difference between consecutive terms in the sequence is constant That constant d...
IB DP Physics: HL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: HL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...
A-Level计算机科学得A*难吗？
计算机科学专业（Computer Science，简称CS）作为近年来英本留学的热门专业，成为了很多申请者的首选。据UCAS 2021/22申请数据显示，共有158,340名学生申请计算机专业，2020/21学年则有140,420人，增加1.8万名申...
AQA A Level Maths: Pure复习笔记4.2.4 Approximating Values
Approximating Values What is the general binomial expansion? The general binomial expansion, as given in the formula booklet, is If n ∈ ℕ then the expansion is finite (see Binomial Ex...
IB DP Physics: HL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: HL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: HL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...
IB DP Physics: HL复习笔记7.2.2 Mass Defect & Nuclear Binding Energy
Mass Defect & Nuclear Binding Energy Energy & Mass Equivalence Einstein showed in his Theory of Relativity that matter can be considered a form of energy and hence, he proposed: Mass can be...
