哈佛大學公布2022年新生數據，國際學生占比提高，亞裔學生錄取最多！
隨著2021-2022學年的結束，許多美國大學開始公布2022年新生入學數據或更新明年的申請政策。前幾日，MIT發布2022年秋季新生數據，3.96%的錄取率真的讓很多同學大吃一驚。 近日，哈佛大學公布了2022年新生錄取數據...
IB DP Physics: HL復習筆記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: HL復習筆記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,...
IB DP Physics: HL復習筆記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 ...
AQA A Level Maths: Pure復習筆記4.3.2 Arithmetic Series
Arithmetic Series How do I find the sum of an arithmetic series? An?arithmetic series?is the sum of the terms of an?arithmetic sequence The following formulae will let you find the sum of th...
AQA A Level Maths: Pure復習筆記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復習筆記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復習筆記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...
AQA A Level Maths: Pure復習筆記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?∈???then the expansion is?finite?(see Binomial Ex...
IB DP Physics: HL復習筆記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復習筆記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復習筆記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...
