IB DP Physics: SL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,...
牛津和劍橋數學專業對比分析，如何選擇？
QS最新數學專業排名中，劍橋全球排第3，牛津全球第6；留學路上的學生和家長們真的很難選擇，因為大家幾乎都知道，英國大學申請的時候，劍橋大學和牛津大學是不能同時申請的。 劍橋大學只有一個跟數學有關的專業，...
IB DP Physics: SL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 ...
IB DP Physics: SL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: SL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...
IB DP Physics: SL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: SL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: SL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...
2022年英國大學畢業生收入排行榜！什么大學和專業畢業薪資最高？
近日，英國求職網站Adzuna分析了2019年至2022年間上傳至系統的12萬多份求職簡歷，對英國大學畢業生畢業5年后的平均收入進行了排名。 根據這份排名，Adzuna整理出了全英畢業生收入最高的20所和最低的5所大學。一起...
IB DP Physics: SL復習筆記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...
IB DP Physics: SL復習筆記7.2.1 Atomic Mass Unit
Atomic Mass Unit The unified atomic mass unit?u?is roughly equal to the mass of one proton or neutron: 1u?= 1.66 × 10?27?kg It is sometimes abbreviated to?a.m.u This value will be given on your dat...
IB DP Physics: SL復習筆記7.1.9 Investigating Half-Life
Investigating Half-Life Aim of the Experiment The aim of the experiment is to investigate the half-life of a decaying radioactive sample This can be done with a live sample if safe access is availa...
